]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 5 Jul 2014 17:12:52 +0000 (10:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 5 Jul 2014 17:12:52 +0000 (10:12 -0700)
Pull ARM64 fixes from Catalin Marinas:
 - Exception level check at boot time (for completeness, not triggering
   any bug before)
 - I/D-cache synchronisation logic for huge pages
 - Config symbol typo

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: fix el2_setup check of CurrentEL
  arm64: mm: Make icache synchronisation logic huge page aware
  arm64: mm: Fix horrendous config typo

112 files changed:
Documentation/trace/postprocess/trace-vmscan-postprocess.pl
MAINTAINERS
Makefile
arch/mips/kvm/kvm_mips.c
arch/s390/include/uapi/asm/Kbuild
arch/s390/include/uapi/asm/sie.h
arch/x86/include/asm/kvm_host.h
arch/x86/include/asm/ptrace.h
arch/x86/kvm/svm.c
arch/x86/kvm/x86.c
drivers/block/zram/zram_drv.c
drivers/gpu/drm/drm_drv.c [changed mode: 0755->0644]
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/radeon/atombios_dp.c
drivers/gpu/drm/radeon/cikd.h
drivers/gpu/drm/radeon/cypress_dpm.c
drivers/gpu/drm/radeon/kv_dpm.c
drivers/gpu/drm/radeon/ni_dpm.c
drivers/gpu/drm/radeon/radeon.h
drivers/gpu/drm/radeon/radeon_atombios.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_display.c
drivers/gpu/drm/radeon/radeon_drv.c
drivers/gpu/drm/radeon/radeon_mode.h
drivers/gpu/drm/radeon/radeon_pm.c
drivers/gpu/drm/radeon/radeon_vm.c
drivers/gpu/drm/radeon/trinity_dpm.c
drivers/iio/adc/ad799x.c
drivers/iio/inkern.c
drivers/md/md.c
drivers/scsi/sd.c
drivers/staging/iio/adc/ad7291.c
drivers/staging/tidspbridge/core/tiomap3430.c
drivers/usb/chipidea/udc.c
drivers/usb/dwc3/Kconfig
drivers/usb/dwc3/dwc3-omap.c
drivers/usb/dwc3/gadget.c
drivers/usb/gadget/configfs.c
drivers/usb/gadget/configfs.h
drivers/usb/gadget/f_fs.c
drivers/usb/gadget/f_rndis.c
drivers/usb/gadget/gr_udc.c
drivers/usb/gadget/inode.c
drivers/usb/gadget/u_ether.c
drivers/usb/host/Kconfig
drivers/usb/host/xhci-hub.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/musb/musb_am335x.c
drivers/usb/musb/musb_core.c
drivers/usb/musb/musb_cppi41.c
drivers/usb/musb/musb_dsps.c
drivers/usb/musb/ux500.c
drivers/usb/phy/phy-msm-usb.c
drivers/usb/renesas_usbhs/fifo.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/option.c
drivers/usb/storage/scsiglue.c
drivers/usb/storage/unusual_devs.h
drivers/video/fbdev/atmel_lcdfb.c
drivers/video/fbdev/bfin_adv7393fb.c
drivers/video/fbdev/omap2/dss/omapdss-boot-init.c
drivers/video/fbdev/vt8500lcdfb.c
fs/autofs4/inode.c
fs/btrfs/compression.c
fs/btrfs/dev-replace.c
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/ioctl.c
fs/btrfs/print-tree.c
fs/btrfs/raid56.c
fs/btrfs/super.c
fs/btrfs/sysfs.c
fs/btrfs/sysfs.h
fs/btrfs/transaction.c
fs/btrfs/volumes.c
fs/btrfs/zlib.c
fs/ext4/balloc.c
fs/ext4/ialloc.c
fs/ext4/indirect.c
fs/ext4/mballoc.c
fs/kernfs/file.c
fs/mbcache.c
fs/nfsd/nfs4proc.c
fs/nfsd/nfs4xdr.c
fs/proc/stat.c
fs/seq_file.c
include/drm/i915_powerwell.h
include/linux/kernfs.h
include/linux/ptrace.h
include/linux/usb_usual.h
include/scsi/scsi_device.h
include/uapi/linux/btrfs.h
include/uapi/linux/usb/functionfs.h
kernel/events/uprobes.c
kernel/printk/printk.c
kernel/trace/trace.c
kernel/trace/trace_uprobe.c
lib/lz4/lz4_decompress.c
mm/memory-failure.c
mm/msync.c
mm/page_alloc.c
mm/shmem.c
mm/slub.c
sound/pci/hda/hda_i915.c
sound/pci/hda/hda_i915.h
sound/pci/hda/hda_intel.c
sound/pci/hda/patch_realtek.c
tools/testing/selftests/cpu-hotplug/Makefile
tools/testing/selftests/ipc/msgque.c
tools/testing/selftests/memory-hotplug/Makefile
tools/usb/ffs-test.c

index 00e425faa2fd7691e327e3dbfcefe13940a7873a..78c9a7b2b58fdb0a55f72c23890e07dcf8f912b2 100644 (file)
@@ -47,7 +47,6 @@ use constant HIGH_KSWAPD_REWAKEUP             => 21;
 use constant HIGH_NR_SCANNED                   => 22;
 use constant HIGH_NR_TAKEN                     => 23;
 use constant HIGH_NR_RECLAIMED                 => 24;
-use constant HIGH_NR_CONTIG_DIRTY              => 25;
 
 my %perprocesspid;
 my %perprocess;
@@ -105,7 +104,7 @@ my $regex_direct_end_default = 'nr_reclaimed=([0-9]*)';
 my $regex_kswapd_wake_default = 'nid=([0-9]*) order=([0-9]*)';
 my $regex_kswapd_sleep_default = 'nid=([0-9]*)';
 my $regex_wakeup_kswapd_default = 'nid=([0-9]*) zid=([0-9]*) order=([0-9]*)';
-my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_taken=([0-9]*) contig_taken=([0-9]*) contig_dirty=([0-9]*) contig_failed=([0-9]*)';
+my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_taken=([0-9]*) file=([0-9]*)';
 my $regex_lru_shrink_inactive_default = 'nid=([0-9]*) zid=([0-9]*) nr_scanned=([0-9]*) nr_reclaimed=([0-9]*) priority=([0-9]*) flags=([A-Z_|]*)';
 my $regex_lru_shrink_active_default = 'lru=([A-Z_]*) nr_scanned=([0-9]*) nr_rotated=([0-9]*) priority=([0-9]*)';
 my $regex_writepage_default = 'page=([0-9a-f]*) pfn=([0-9]*) flags=([A-Z_|]*)';
@@ -200,7 +199,7 @@ $regex_lru_isolate = generate_traceevent_regex(
                        $regex_lru_isolate_default,
                        "isolate_mode", "order",
                        "nr_requested", "nr_scanned", "nr_taken",
-                       "contig_taken", "contig_dirty", "contig_failed");
+                       "file");
 $regex_lru_shrink_inactive = generate_traceevent_regex(
                        "vmscan/mm_vmscan_lru_shrink_inactive",
                        $regex_lru_shrink_inactive_default,
@@ -375,7 +374,6 @@ EVENT_PROCESS:
                        }
                        my $isolate_mode = $1;
                        my $nr_scanned = $4;
-                       my $nr_contig_dirty = $7;
 
                        # To closer match vmstat scanning statistics, only count isolate_both
                        # and isolate_inactive as scanning. isolate_active is rotation
@@ -385,7 +383,6 @@ EVENT_PROCESS:
                        if ($isolate_mode != 2) {
                                $perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned;
                        }
-                       $perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty;
                } elsif ($tracepoint eq "mm_vmscan_lru_shrink_inactive") {
                        $details = $6;
                        if ($details !~ /$regex_lru_shrink_inactive/o) {
@@ -539,13 +536,6 @@ sub dump_stats {
                                }
                        }
                }
-               if ($stats{$process_pid}->{HIGH_NR_CONTIG_DIRTY}) {
-                       print "      ";
-                       my $count = $stats{$process_pid}->{HIGH_NR_CONTIG_DIRTY};
-                       if ($count != 0) {
-                               print "contig-dirty=$count ";
-                       }
-               }
 
                print "\n";
        }
index 702ca10a5a6c37207d24854c9079b1b5dbce5b77..8e8b1dc08dbde350bbfd5d35c25c52d15c6d681b 100644 (file)
@@ -9406,12 +9406,6 @@ S:       Maintained
 F:     drivers/usb/host/isp116x*
 F:     include/linux/usb/isp116x.h
 
-USB KAWASAKI LSI DRIVER
-M:     Oliver Neukum <oliver@neukum.org>
-L:     linux-usb@vger.kernel.org
-S:     Maintained
-F:     drivers/usb/serial/kl5kusb105.*
-
 USB MASS STORAGE DRIVER
 M:     Matthew Dharm <mdharm-usb@one-eyed-alien.net>
 L:     linux-usb@vger.kernel.org
@@ -9439,12 +9433,6 @@ S:       Maintained
 F:     Documentation/usb/ohci.txt
 F:     drivers/usb/host/ohci*
 
-USB OPTION-CARD DRIVER
-M:     Matthias Urlichs <smurf@smurf.noris.de>
-L:     linux-usb@vger.kernel.org
-S:     Maintained
-F:     drivers/usb/serial/option.c
-
 USB PEGASUS DRIVER
 M:     Petko Manolov <petkan@nucleusys.com>
 L:     linux-usb@vger.kernel.org
@@ -9477,7 +9465,7 @@ S:        Maintained
 F:     drivers/net/usb/rtl8150.c
 
 USB SERIAL SUBSYSTEM
-M:     Johan Hovold <jhovold@gmail.com>
+M:     Johan Hovold <johan@kernel.org>
 L:     linux-usb@vger.kernel.org
 S:     Maintained
 F:     Documentation/usb/usb-serial.txt
index 13175632137fa8b2d7373f6429c7956b2ac853eb..b0ee945885aad3e7946345893a8486336cba62a9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -126,7 +126,10 @@ PHONY += $(MAKECMDGOALS) sub-make
 $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
        @:
 
+# Fake the "Entering directory" message once, so that IDEs/editors are
+# able to understand relative filenames.
 sub-make: FORCE
+       @echo "make[1]: Entering directory \`$(KBUILD_OUTPUT)'"
        $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
        KBUILD_SRC=$(CURDIR) \
        KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
index cd5e4f568439e3dff4cc46a53b31f19d4ab082aa..f3c56a182fd8b47b134ec14297460e7a62453a92 100644 (file)
@@ -384,6 +384,7 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
 
        kfree(vcpu->arch.guest_ebase);
        kfree(vcpu->arch.kseg0_commpage);
+       kfree(vcpu);
 }
 
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
index 6a9a9eb645f523ee203ae87f3c4395de18b578f7..736637363d3101c05d1f533fac7c88f31c947a09 100644 (file)
@@ -36,6 +36,7 @@ header-y += signal.h
 header-y += socket.h
 header-y += sockios.h
 header-y += sclp_ctl.h
+header-y += sie.h
 header-y += stat.h
 header-y += statfs.h
 header-y += swab.h
index 3d97f610198dfb6ea1212553a1c9568b28df8f9f..5d9cc19462c4f6384f6d238952268f192d095649 100644 (file)
@@ -1,8 +1,6 @@
 #ifndef _UAPI_ASM_S390_SIE_H
 #define _UAPI_ASM_S390_SIE_H
 
-#include <asm/sigp.h>
-
 #define diagnose_codes                                         \
        { 0x10, "DIAG (0x10) release pages" },                  \
        { 0x44, "DIAG (0x44) time slice end" },                 \
        { 0x500, "DIAG (0x500) KVM virtio functions" },         \
        { 0x501, "DIAG (0x501) KVM breakpoint" }
 
-#define sigp_order_codes                                               \
-       { SIGP_SENSE, "SIGP sense" },                                   \
-       { SIGP_EXTERNAL_CALL, "SIGP external call" },                   \
-       { SIGP_EMERGENCY_SIGNAL, "SIGP emergency signal" },             \
-       { SIGP_STOP, "SIGP stop" },                                     \
-       { SIGP_STOP_AND_STORE_STATUS, "SIGP stop and store status" },   \
-       { SIGP_SET_ARCHITECTURE, "SIGP set architecture" },             \
-       { SIGP_SET_PREFIX, "SIGP set prefix" },                         \
-       { SIGP_SENSE_RUNNING, "SIGP sense running" },                   \
-       { SIGP_RESTART, "SIGP restart" },                               \
-       { SIGP_INITIAL_CPU_RESET, "SIGP initial cpu reset" },           \
-       { SIGP_STORE_STATUS_AT_ADDRESS, "SIGP store status at address" }
+#define sigp_order_codes                                       \
+       { 0x01, "SIGP sense" },                                 \
+       { 0x02, "SIGP external call" },                         \
+       { 0x03, "SIGP emergency signal" },                      \
+       { 0x05, "SIGP stop" },                                  \
+       { 0x06, "SIGP restart" },                               \
+       { 0x09, "SIGP stop and store status" },                 \
+       { 0x0b, "SIGP initial cpu reset" },                     \
+       { 0x0d, "SIGP set prefix" },                            \
+       { 0x0e, "SIGP store status at address" },               \
+       { 0x12, "SIGP set architecture" },                      \
+       { 0x15, "SIGP sense running" }
 
 #define icpt_prog_codes                                                \
        { 0x0001, "Prog Operation" },                           \
index 49314155b66c801103ffb89b40585ac649393fdb..49205d01b9adc152b2b9faa8a831ca1ef3cecb68 100644 (file)
@@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
 #define KVM_REFILL_PAGES 25
 #define KVM_MAX_CPUID_ENTRIES 80
 #define KVM_NR_FIXED_MTRR_REGION 88
-#define KVM_NR_VAR_MTRR 8
+#define KVM_NR_VAR_MTRR 10
 
 #define ASYNC_PF_PER_VCPU 64
 
@@ -461,7 +461,7 @@ struct kvm_vcpu_arch {
        bool nmi_injected;    /* Trying to inject an NMI this entry */
 
        struct mtrr_state_type mtrr_state;
-       u32 pat;
+       u64 pat;
 
        unsigned switch_db_regs;
        unsigned long db[KVM_NR_DB_REGS];
index 14fd6fd75a19b8d62c983e7120fadbf151eb5043..6205f0c434dbabcb72f7135821c614420904c1da 100644 (file)
@@ -231,6 +231,22 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
 
 #define ARCH_HAS_USER_SINGLE_STEP_INFO
 
+/*
+ * When hitting ptrace_stop(), we cannot return using SYSRET because
+ * that does not restore the full CPU state, only a minimal set.  The
+ * ptracer can change arbitrary register values, which is usually okay
+ * because the usual ptrace stops run off the signal delivery path which
+ * forces IRET; however, ptrace_event() stops happen in arbitrary places
+ * in the kernel and don't force IRET path.
+ *
+ * So force IRET path after a ptrace stop.
+ */
+#define arch_ptrace_stop_needed(code, info)                            \
+({                                                                     \
+       set_thread_flag(TIF_NOTIFY_RESUME);                             \
+       false;                                                          \
+})
+
 struct user_desc;
 extern int do_get_thread_area(struct task_struct *p, int idx,
                              struct user_desc __user *info);
index ec8366c5cfeaa2004a637465d9fc65787cc97618..b5e994ad0135973acb1a449ce3b5442a2aa9b43b 100644 (file)
@@ -1462,6 +1462,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu,
                 */
                if (var->unusable)
                        var->db = 0;
+               var->dpl = to_svm(vcpu)->vmcb->save.cpl;
                break;
        }
 }
index f32a02578c0d1985b424edaf992aede89b5cd7b4..f6449334ec4514741f7f79481e419d30442d1ac2 100644 (file)
@@ -1898,7 +1898,7 @@ static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
                if (!(data & HV_X64_MSR_TSC_REFERENCE_ENABLE))
                        break;
                gfn = data >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT;
-               if (kvm_write_guest(kvm, data,
+               if (kvm_write_guest(kvm, gfn << HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT,
                        &tsc_ref, sizeof(tsc_ref)))
                        return 1;
                mark_page_dirty(kvm, gfn);
index 48eccb350180d90c333d224a9219dab27a1d60ab..089e72cd37bea051bf9f9758644fd8b79ea038cc 100644 (file)
@@ -622,8 +622,10 @@ static void zram_reset_device(struct zram *zram, bool reset_capacity)
        memset(&zram->stats, 0, sizeof(zram->stats));
 
        zram->disksize = 0;
-       if (reset_capacity)
+       if (reset_capacity) {
                set_capacity(zram->disk, 0);
+               revalidate_disk(zram->disk);
+       }
        up_write(&zram->init_lock);
 }
 
@@ -664,6 +666,7 @@ static ssize_t disksize_store(struct device *dev,
        zram->comp = comp;
        zram->disksize = disksize;
        set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT);
+       revalidate_disk(zram->disk);
        up_write(&zram->init_lock);
        return len;
 
old mode 100755 (executable)
new mode 100644 (file)
index 9ad0c6afc48725ca5eb5a050e238055ba4571693..61cb90e729a608b6d7d7aae97d2efaa7ebb3152e 100644 (file)
@@ -6038,6 +6038,27 @@ int i915_release_power_well(void)
 }
 EXPORT_SYMBOL_GPL(i915_release_power_well);
 
+/*
+ * Private interface for the audio driver to get CDCLK in kHz.
+ *
+ * Caller must request power well using i915_request_power_well() prior to
+ * making the call.
+ */
+int i915_get_cdclk_freq(void)
+{
+       struct drm_i915_private *dev_priv;
+
+       if (!hsw_pwr)
+               return -ENODEV;
+
+       dev_priv = container_of(hsw_pwr, struct drm_i915_private,
+                               power_domains);
+
+       return intel_ddi_get_cdclk_freq(dev_priv);
+}
+EXPORT_SYMBOL_GPL(i915_get_cdclk_freq);
+
+
 #define POWER_DOMAIN_MASK (BIT(POWER_DOMAIN_NUM) - 1)
 
 #define HSW_ALWAYS_ON_POWER_DOMAINS (                  \
index c5b1f2da39544e6766ae1d70a3be0d296ebe6b97..35f4182c63b66e68c1d0b9e371fbcdeb5716c70f 100644 (file)
@@ -403,16 +403,18 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
 {
        struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;
        u8 msg[DP_DPCD_SIZE];
-       int ret, i;
+       int ret;
+
+       char dpcd_hex_dump[DP_DPCD_SIZE * 3];
 
        ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg,
                               DP_DPCD_SIZE);
        if (ret > 0) {
                memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE);
-               DRM_DEBUG_KMS("DPCD: ");
-               for (i = 0; i < DP_DPCD_SIZE; i++)
-                       DRM_DEBUG_KMS("%02x ", msg[i]);
-               DRM_DEBUG_KMS("\n");
+
+               hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->dpcd),
+                                  32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false);
+               DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump);
 
                radeon_dp_probe_oui(radeon_connector);
 
index ae88660f34ea5750a1729f34cc304ba946a92f10..0c6e1b55d9684aa620e6c665c915e3293a92c7ab 100644 (file)
 #define                EOP_TC_WB_ACTION_EN                     (1 << 15) /* L2 */
 #define                EOP_TCL1_ACTION_EN                      (1 << 16)
 #define                EOP_TC_ACTION_EN                        (1 << 17) /* L2 */
+#define                EOP_TCL2_VOLATILE                       (1 << 24)
 #define                EOP_CACHE_POLICY(x)                     ((x) << 25)
                 /* 0 - LRU
                 * 1 - Stream
                 * 2 - Bypass
                 */
-#define                EOP_TCL2_VOLATILE                       (1 << 27)
 #define                DATA_SEL(x)                             ((x) << 29)
                 /* 0 - discard
                 * 1 - send low 32bit data
index 5a9a5f4d7888ca5775a299293d2bc2f2aa47c8d9..47d31e9157588d4bfb3d3131d20073e44e41d90b 100644 (file)
@@ -1551,7 +1551,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
 
                table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0;
                table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] =
-                       cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
+                       cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
        }
 
        return 0;
index 3f6e817d97ee80cb0013c85818a1ec0c4c110e79..9ef8c38f2d6622c25a5b3e1e43a37064c8cf1776 100644 (file)
@@ -2726,7 +2726,7 @@ int kv_dpm_init(struct radeon_device *rdev)
        pi->caps_sclk_ds = true;
        pi->enable_auto_thermal_throttling = true;
        pi->disable_nb_ps3_in_battery = false;
-       pi->bapm_enable = false;
+       pi->bapm_enable = true;
        pi->voltage_drop_t = 0;
        pi->caps_sclk_throttle_low_notification = false;
        pi->caps_fps = false; /* true? */
index 004c931606c4b88c20c6f86701d2600df97f255d..01fc4888e6fea26b7f64fc9d02f73304f0b25a92 100644 (file)
@@ -1315,7 +1315,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev,
 
                table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0;
                table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] =
-                       cpu_to_be32(eg_pi->vddc_voltage_table.mask_low);
+                       cpu_to_be32(eg_pi->vddci_voltage_table.mask_low);
        }
 }
 
index 4b0bbf88d5c0f19b3d2cda822e2634c51d1268fa..29d9cc04c04ecbd0c0ffe985165822a6a7cda503 100644 (file)
@@ -102,6 +102,7 @@ extern int radeon_runtime_pm;
 extern int radeon_hard_reset;
 extern int radeon_vm_size;
 extern int radeon_vm_block_size;
+extern int radeon_deep_color;
 
 /*
  * Copy from radeon_drv.h so we don't have to include both and have conflicting
@@ -749,10 +750,6 @@ union radeon_irq_stat_regs {
        struct cik_irq_stat_regs cik;
 };
 
-#define RADEON_MAX_HPD_PINS 7
-#define RADEON_MAX_CRTCS 6
-#define RADEON_MAX_AFMT_BLOCKS 7
-
 struct radeon_irq {
        bool                            installed;
        spinlock_t                      lock;
index 30844814c25a3c931a286b6823b54c88a0bbf348..173f378428a96d477eddf937e7bdd3d46fd222a6 100644 (file)
@@ -1227,11 +1227,19 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
                        rdev->clock.default_dispclk =
                                le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
                        if (rdev->clock.default_dispclk == 0) {
-                               if (ASIC_IS_DCE5(rdev))
+                               if (ASIC_IS_DCE6(rdev))
+                                       rdev->clock.default_dispclk = 60000; /* 600 Mhz */
+                               else if (ASIC_IS_DCE5(rdev))
                                        rdev->clock.default_dispclk = 54000; /* 540 Mhz */
                                else
                                        rdev->clock.default_dispclk = 60000; /* 600 Mhz */
                        }
+                       /* set a reasonable default for DP */
+                       if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) {
+                               DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n",
+                                        rdev->clock.default_dispclk / 100);
+                               rdev->clock.default_dispclk = 60000;
+                       }
                        rdev->clock.dp_extclk =
                                le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
                        rdev->clock.current_dispclk = rdev->clock.default_dispclk;
index 1b9177ed181fa2827bbbeae422bddb2cf06ad19f..44831197e82eed7e441399818408a8599e697dde 100644 (file)
@@ -199,6 +199,9 @@ int radeon_get_monitor_bpc(struct drm_connector *connector)
                }
        }
 
+       if ((radeon_deep_color == 0) && (bpc > 8))
+               bpc = 8;
+
        DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n",
                          connector->name, connector->display_info.bpc, bpc);
 
index 8fc362aa6a1a3abba3880202c120a00e7dbce383..13896edcf0b6507337e728269732e4c391883115 100644 (file)
@@ -285,7 +285,6 @@ static void radeon_unpin_work_func(struct work_struct *__work)
 void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id)
 {
        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
-       struct radeon_flip_work *work;
        unsigned long flags;
        u32 update_pending;
        int vpos, hpos;
@@ -295,8 +294,11 @@ void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id)
                return;
 
        spin_lock_irqsave(&rdev->ddev->event_lock, flags);
-       work = radeon_crtc->flip_work;
-       if (work == NULL) {
+       if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
+               DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != "
+                                "RADEON_FLIP_SUBMITTED(%d)\n",
+                                radeon_crtc->flip_status,
+                                RADEON_FLIP_SUBMITTED);
                spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
                return;
        }
@@ -344,12 +346,17 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
 
        spin_lock_irqsave(&rdev->ddev->event_lock, flags);
        work = radeon_crtc->flip_work;
-       if (work == NULL) {
+       if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) {
+               DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != "
+                                "RADEON_FLIP_SUBMITTED(%d)\n",
+                                radeon_crtc->flip_status,
+                                RADEON_FLIP_SUBMITTED);
                spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
                return;
        }
 
        /* Pageflip completed. Clean up. */
+       radeon_crtc->flip_status = RADEON_FLIP_NONE;
        radeon_crtc->flip_work = NULL;
 
        /* wakeup userspace */
@@ -476,6 +483,7 @@ static void radeon_flip_work_func(struct work_struct *__work)
        /* do the flip (mmio) */
        radeon_page_flip(rdev, radeon_crtc->crtc_id, base);
 
+       radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED;
        spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
        up_read(&rdev->exclusive_lock);
 
@@ -544,7 +552,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
        /* We borrow the event spin lock for protecting flip_work */
        spin_lock_irqsave(&crtc->dev->event_lock, flags);
 
-       if (radeon_crtc->flip_work) {
+       if (radeon_crtc->flip_status != RADEON_FLIP_NONE) {
                DRM_DEBUG_DRIVER("flip queue: crtc already busy\n");
                spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
                drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base);
@@ -552,6 +560,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
                kfree(work);
                return -EBUSY;
        }
+       radeon_crtc->flip_status = RADEON_FLIP_PENDING;
        radeon_crtc->flip_work = work;
 
        /* update crtc fb */
index 6e301741338689abf0328ced81d1118ec5b4dbdd..cb1421369e3a2eaa111a8c6d5f3b1e248e72beec 100644 (file)
@@ -175,6 +175,7 @@ int radeon_runtime_pm = -1;
 int radeon_hard_reset = 0;
 int radeon_vm_size = 4096;
 int radeon_vm_block_size = 9;
+int radeon_deep_color = 0;
 
 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 module_param_named(no_wb, radeon_no_wb, int, 0444);
@@ -248,6 +249,9 @@ module_param_named(vm_size, radeon_vm_size, int, 0444);
 MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)");
 module_param_named(vm_block_size, radeon_vm_block_size, int, 0444);
 
+MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))");
+module_param_named(deep_color, radeon_deep_color, int, 0444);
+
 static struct pci_device_id pciidlist[] = {
        radeon_PCI_IDS
 };
index ad0e4b8cc7e3e63530e14c1f1144fa76ea9df830..0592ddb0904b732384d09f73114f4d41566c3c4a 100644 (file)
@@ -46,6 +46,10 @@ struct radeon_device;
 #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)
 #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)
 
+#define RADEON_MAX_HPD_PINS 7
+#define RADEON_MAX_CRTCS 6
+#define RADEON_MAX_AFMT_BLOCKS 7
+
 enum radeon_rmx_type {
        RMX_OFF,
        RMX_FULL,
@@ -233,8 +237,8 @@ struct radeon_mode_info {
        struct card_info *atom_card_info;
        enum radeon_connector_table connector_table;
        bool mode_config_initialized;
-       struct radeon_crtc *crtcs[6];
-       struct radeon_afmt *afmt[7];
+       struct radeon_crtc *crtcs[RADEON_MAX_CRTCS];
+       struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS];
        /* DVI-I properties */
        struct drm_property *coherent_mode_property;
        /* DAC enable load detect */
@@ -302,6 +306,12 @@ struct radeon_atom_ss {
        uint16_t amount;
 };
 
+enum radeon_flip_status {
+       RADEON_FLIP_NONE,
+       RADEON_FLIP_PENDING,
+       RADEON_FLIP_SUBMITTED
+};
+
 struct radeon_crtc {
        struct drm_crtc base;
        int crtc_id;
@@ -327,6 +337,7 @@ struct radeon_crtc {
        /* page flipping */
        struct workqueue_struct *flip_queue;
        struct radeon_flip_work *flip_work;
+       enum radeon_flip_status flip_status;
        /* pll sharing */
        struct radeon_atom_ss ss;
        bool ss_enabled;
index 12c663e86ca18e14f9af5ea2e17a2e0704c38953..e447e390d09a148ca7f46d11c757ebbacc3cff4d 100644 (file)
@@ -73,8 +73,10 @@ void radeon_pm_acpi_event_handler(struct radeon_device *rdev)
                        rdev->pm.dpm.ac_power = true;
                else
                        rdev->pm.dpm.ac_power = false;
-               if (rdev->asic->dpm.enable_bapm)
-                       radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
+               if (rdev->family == CHIP_ARUBA) {
+                       if (rdev->asic->dpm.enable_bapm)
+                               radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power);
+               }
                mutex_unlock(&rdev->pm.mutex);
         } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) {
                if (rdev->pm.profile == PM_PROFILE_AUTO) {
index 899d9126cad6da114333ee2550710c8f21227896..eecff6bbd34145c6bf975ca0f2f19ff9af8534ba 100644 (file)
@@ -495,7 +495,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
                mutex_unlock(&vm->mutex);
 
                r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
-                                    RADEON_GPU_PAGE_SIZE, false, 
+                                    RADEON_GPU_PAGE_SIZE, true,
                                     RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
                if (r)
                        return r;
@@ -992,7 +992,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
                return -ENOMEM;
        }
 
-       r = radeon_bo_create(rdev, pd_size, align, false,
+       r = radeon_bo_create(rdev, pd_size, align, true,
                             RADEON_GEM_DOMAIN_VRAM, NULL,
                             &vm->page_directory);
        if (r)
index 2a2822c03329e7fcefcb016e3e7bae5128c45777..20da6ff183df9b6fb5b59554616a30f28aeeb96f 100644 (file)
@@ -1874,7 +1874,15 @@ int trinity_dpm_init(struct radeon_device *rdev)
        for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
                pi->at[i] = TRINITY_AT_DFLT;
 
-       pi->enable_bapm = false;
+       /* There are stability issues reported on latops with
+        * bapm installed when switching between AC and battery
+        * power.  At the same time, some desktop boards hang
+        * if it's not enabled and dpm is enabled.
+        */
+       if (rdev->flags & RADEON_IS_MOBILITY)
+               pi->enable_bapm = false;
+       else
+               pi->enable_bapm = true;
        pi->enable_nbps_policy = true;
        pi->enable_sclk_ds = true;
        pi->enable_gfx_power_gating = true;
index 39b4cb48d738c8f42a6d96beda5152869522d454..6eba301ee03dc04ea4e174a401e99f3e176104c0 100644 (file)
@@ -427,9 +427,12 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev,
        int ret;
        struct ad799x_state *st = iio_priv(indio_dev);
 
+       if (val < 0 || val > RES_MASK(chan->scan_type.realbits))
+               return -EINVAL;
+
        mutex_lock(&indio_dev->mlock);
        ret = ad799x_i2c_write16(st, ad799x_threshold_reg(chan, dir, info),
-               val);
+               val << chan->scan_type.shift);
        mutex_unlock(&indio_dev->mlock);
 
        return ret;
@@ -452,7 +455,8 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev,
        mutex_unlock(&indio_dev->mlock);
        if (ret < 0)
                return ret;
-       *val = valin;
+       *val = (valin >> chan->scan_type.shift) &
+               RES_MASK(chan->scan_type.realbits);
 
        return IIO_VAL_INT;
 }
index d833d55052eadf965424bfc2f3b5044cc0ad8167..c7497009d60ab7b81358b85d9ecd4057642276e7 100644 (file)
@@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
                else if (name && index >= 0) {
                        pr_err("ERROR: could not get IIO channel %s:%s(%i)\n",
                                np->full_name, name ? name : "", index);
-                       return chan;
+                       return NULL;
                }
 
                /*
@@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np,
                 */
                np = np->parent;
                if (np && !of_get_property(np, "io-channel-ranges", NULL))
-                       break;
+                       return NULL;
        }
+
        return chan;
 }
 
@@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev,
                if (channel != NULL)
                        return channel;
        }
+
        return iio_channel_get_sys(name, channel_name);
 }
 EXPORT_SYMBOL_GPL(iio_channel_get);
index 34846856dbc6106c95b81d948a4e41ad6e4d816d..32fc19c540d426a95f11ace984db7195e34a870c 100644 (file)
@@ -5599,7 +5599,7 @@ static int get_array_info(struct mddev * mddev, void __user * arg)
        if (mddev->in_sync)
                info.state = (1<<MD_SB_CLEAN);
        if (mddev->bitmap && mddev->bitmap_info.offset)
-               info.state = (1<<MD_SB_BITMAP_PRESENT);
+               info.state |= (1<<MD_SB_BITMAP_PRESENT);
        info.active_disks  = insync;
        info.working_disks = working;
        info.failed_disks  = failed;
@@ -7501,6 +7501,19 @@ void md_do_sync(struct md_thread *thread)
                            rdev->recovery_offset < j)
                                j = rdev->recovery_offset;
                rcu_read_unlock();
+
+               /* If there is a bitmap, we need to make sure all
+                * writes that started before we added a spare
+                * complete before we start doing a recovery.
+                * Otherwise the write might complete and (via
+                * bitmap_endwrite) set a bit in the bitmap after the
+                * recovery has checked that bit and skipped that
+                * region.
+                */
+               if (mddev->bitmap) {
+                       mddev->pers->quiesce(mddev, 1);
+                       mddev->pers->quiesce(mddev, 0);
+               }
        }
 
        printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev));
index e9689d57ccb6cb558925b63091ff3a95accdef28..6825eda1114a668b8c6a3acc8d38dec402a44ddd 100644 (file)
@@ -2441,7 +2441,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
                }
 
                sdkp->DPOFUA = (data.device_specific & 0x10) != 0;
-               if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
+               if (sdp->broken_fua) {
+                       sd_first_printk(KERN_NOTICE, sdkp, "Disabling FUA\n");
+                       sdkp->DPOFUA = 0;
+               } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
                        sd_first_printk(KERN_NOTICE, sdkp,
                                  "Uses READ/WRITE(6), disabling FUA\n");
                        sdkp->DPOFUA = 0;
index 357cef2a6f4c5c958a61939c0e644a361676a585..7194bd138762ce26318e9cbe2d18f621174df206 100644 (file)
@@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client,
        struct ad7291_platform_data *pdata = client->dev.platform_data;
        struct ad7291_chip_info *chip;
        struct iio_dev *indio_dev;
-       int ret = 0;
+       int ret;
 
        indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
        if (!indio_dev)
@@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client,
        if (pdata && pdata->use_external_ref) {
                chip->reg = devm_regulator_get(&client->dev, "vref");
                if (IS_ERR(chip->reg))
-                       return ret;
+                       return PTR_ERR(chip->reg);
 
                ret = regulator_enable(chip->reg);
                if (ret)
index 8945b4e3a2a6fcccf7e57687d6425f44400252b8..cb50120ed7b59a1ba531e649e6cbfeef85565f11 100644 (file)
@@ -280,8 +280,10 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt)
                                        OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
 
                /* Wait until the state has moved to ON */
-               while (*pdata->dsp_prm_read(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST)&
-                                       OMAP_INTRANSITION_MASK);
+               while ((*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD,
+                                             OMAP2_PM_PWSTST) &
+                                               OMAP_INTRANSITION_MASK)
+                       ;
                /* Disable Automatic transition */
                (*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_DISABLE_AUTO,
                                        OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
index 69425b3cb6b764009346601223ac76ace45a55b0..9d2b673f90e30e3f676930a5f08dea35c058bfb6 100644 (file)
@@ -1321,6 +1321,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
        struct ci_hw_ep  *hwep  = container_of(ep,  struct ci_hw_ep, ep);
        struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
        unsigned long flags;
+       struct td_node *node, *tmpnode;
 
        if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY ||
                hwep->ep.desc == NULL || list_empty(&hwreq->queue) ||
@@ -1331,6 +1332,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
 
        hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
 
+       list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) {
+               dma_pool_free(hwep->td_pool, node->ptr, node->dma);
+               list_del(&node->td);
+               kfree(node);
+       }
+
        /* pop request */
        list_del_init(&hwreq->queue);
 
index 8eb996e4f05883e9c85c4d2ba2c5109ab4d354c3..261c3b428220c141ac263bb8ce93c550bace98ea 100644 (file)
@@ -45,6 +45,7 @@ comment "Platform Glue Driver Support"
 config USB_DWC3_OMAP
        tristate "Texas Instruments OMAP5 and similar Platforms"
        depends on EXTCON && (ARCH_OMAP2PLUS || COMPILE_TEST)
+       depends on OF
        default USB_DWC3
        help
          Some platforms from Texas Instruments like OMAP5, DRA7xxx and
index 4af4c3567656388062f469f4b5abd10c45904d31..07a736acd0f247e6675a4c21ab8a6ddeda085137 100644 (file)
@@ -322,7 +322,7 @@ static int dwc3_omap_remove_core(struct device *dev, void *c)
 {
        struct platform_device *pdev = to_platform_device(dev);
 
-       platform_device_unregister(pdev);
+       of_device_unregister(pdev);
 
        return 0;
 }
@@ -599,7 +599,7 @@ static int dwc3_omap_prepare(struct device *dev)
 {
        struct dwc3_omap        *omap = dev_get_drvdata(dev);
 
-       dwc3_omap_disable_irqs(omap);
+       dwc3_omap_write_irqmisc_set(omap, 0x00);
 
        return 0;
 }
@@ -607,8 +607,19 @@ static int dwc3_omap_prepare(struct device *dev)
 static void dwc3_omap_complete(struct device *dev)
 {
        struct dwc3_omap        *omap = dev_get_drvdata(dev);
+       u32                     reg;
 
-       dwc3_omap_enable_irqs(omap);
+       reg = (USBOTGSS_IRQMISC_OEVT |
+                       USBOTGSS_IRQMISC_DRVVBUS_RISE |
+                       USBOTGSS_IRQMISC_CHRGVBUS_RISE |
+                       USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
+                       USBOTGSS_IRQMISC_IDPULLUP_RISE |
+                       USBOTGSS_IRQMISC_DRVVBUS_FALL |
+                       USBOTGSS_IRQMISC_CHRGVBUS_FALL |
+                       USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
+                       USBOTGSS_IRQMISC_IDPULLUP_FALL);
+
+       dwc3_omap_write_irqmisc_set(omap, reg);
 }
 
 static int dwc3_omap_suspend(struct device *dev)
index 9d64dd02c57eabf33b8fecd692ccd75368edcea7..dab7927d10094e17d8105a25e28a17fd785ae6de 100644 (file)
@@ -828,10 +828,6 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
                        length, last ? " last" : "",
                        chain ? " chain" : "");
 
-       /* Skip the LINK-TRB on ISOC */
-       if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
-                       usb_endpoint_xfer_isoc(dep->endpoint.desc))
-               dep->free_slot++;
 
        trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK];
 
@@ -843,6 +839,10 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
        }
 
        dep->free_slot++;
+       /* Skip the LINK-TRB on ISOC */
+       if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) &&
+                       usb_endpoint_xfer_isoc(dep->endpoint.desc))
+               dep->free_slot++;
 
        trb->size = DWC3_TRB_SIZE_LENGTH(length);
        trb->bpl = lower_32_bits(dma);
index 2ddcd635ca2abccb9b559adeb4dd2a74c26a0d06..97142146eead170243c131a7e9ad0356dac63444 100644 (file)
@@ -1145,15 +1145,15 @@ static struct configfs_item_operations interf_item_ops = {
        .store_attribute        = usb_os_desc_attr_store,
 };
 
-static ssize_t rndis_grp_compatible_id_show(struct usb_os_desc *desc,
-                                           char *page)
+static ssize_t interf_grp_compatible_id_show(struct usb_os_desc *desc,
+                                            char *page)
 {
        memcpy(page, desc->ext_compat_id, 8);
        return 8;
 }
 
-static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
-                                            const char *page, size_t len)
+static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc,
+                                             const char *page, size_t len)
 {
        int l;
 
@@ -1171,20 +1171,20 @@ static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
        return len;
 }
 
-static struct usb_os_desc_attribute rndis_grp_attr_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_compatible_id =
        __CONFIGFS_ATTR(compatible_id, S_IRUGO | S_IWUSR,
-                       rndis_grp_compatible_id_show,
-                       rndis_grp_compatible_id_store);
+                       interf_grp_compatible_id_show,
+                       interf_grp_compatible_id_store);
 
-static ssize_t rndis_grp_sub_compatible_id_show(struct usb_os_desc *desc,
-                                               char *page)
+static ssize_t interf_grp_sub_compatible_id_show(struct usb_os_desc *desc,
+                                                char *page)
 {
        memcpy(page, desc->ext_compat_id + 8, 8);
        return 8;
 }
 
-static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
-                                                const char *page, size_t len)
+static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc,
+                                                 const char *page, size_t len)
 {
        int l;
 
@@ -1202,20 +1202,21 @@ static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
        return len;
 }
 
-static struct usb_os_desc_attribute rndis_grp_attr_sub_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_sub_compatible_id =
        __CONFIGFS_ATTR(sub_compatible_id, S_IRUGO | S_IWUSR,
-                       rndis_grp_sub_compatible_id_show,
-                       rndis_grp_sub_compatible_id_store);
+                       interf_grp_sub_compatible_id_show,
+                       interf_grp_sub_compatible_id_store);
 
 static struct configfs_attribute *interf_grp_attrs[] = {
-       &rndis_grp_attr_compatible_id.attr,
-       &rndis_grp_attr_sub_compatible_id.attr,
+       &interf_grp_attr_compatible_id.attr,
+       &interf_grp_attr_sub_compatible_id.attr,
        NULL
 };
 
 int usb_os_desc_prepare_interf_dir(struct config_group *parent,
                                   int n_interf,
                                   struct usb_os_desc **desc,
+                                  char **names,
                                   struct module *owner)
 {
        struct config_group **f_default_groups, *os_desc_group,
@@ -1257,8 +1258,8 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent,
                d = desc[n_interf];
                d->owner = owner;
                config_group_init_type_name(&d->group, "", interface_type);
-               config_item_set_name(&d->group.cg_item, "interface.%d",
-                                    n_interf);
+               config_item_set_name(&d->group.cg_item, "interface.%s",
+                                    names[n_interf]);
                interface_groups[n_interf] = &d->group;
        }
 
index a14ac792c69865a616279daa20343c2f5a01cc30..36c468c4f5e90be54e7356d48dc2037476a62994 100644 (file)
@@ -8,6 +8,7 @@ void unregister_gadget_item(struct config_item *item);
 int usb_os_desc_prepare_interf_dir(struct config_group *parent,
                                   int n_interf,
                                   struct usb_os_desc **desc,
+                                  char **names,
                                   struct module *owner);
 
 static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
index 74202d67f91166b0d0ef0fc49ab387602260ad12..8598c27c7d4344e6448dc4fcae7ff38577156278 100644 (file)
@@ -1483,11 +1483,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)
        ffs->ep0req->context = ffs;
 
        lang = ffs->stringtabs;
-       for (lang = ffs->stringtabs; *lang; ++lang) {
-               struct usb_string *str = (*lang)->strings;
-               int id = first_id;
-               for (; str->s; ++id, ++str)
-                       str->id = id;
+       if (lang) {
+               for (; *lang; ++lang) {
+                       struct usb_string *str = (*lang)->strings;
+                       int id = first_id;
+                       for (; str->s; ++id, ++str)
+                               str->id = id;
+               }
        }
 
        ffs->gadget = cdev->gadget;
index eed3ad8780478e23bcaf07402d1f658914d1d484..9c41e9515b8e06a131b65b12fc1d70413459c2e5 100644 (file)
@@ -687,7 +687,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f)
                f->os_desc_table = kzalloc(sizeof(*f->os_desc_table),
                                           GFP_KERNEL);
                if (!f->os_desc_table)
-                       return PTR_ERR(f->os_desc_table);
+                       return -ENOMEM;
                f->os_desc_n = 1;
                f->os_desc_table[0].os_desc = &rndis_opts->rndis_os_desc;
        }
@@ -905,6 +905,7 @@ static struct usb_function_instance *rndis_alloc_inst(void)
 {
        struct f_rndis_opts *opts;
        struct usb_os_desc *descs[1];
+       char *names[1];
 
        opts = kzalloc(sizeof(*opts), GFP_KERNEL);
        if (!opts)
@@ -922,8 +923,9 @@ static struct usb_function_instance *rndis_alloc_inst(void)
        INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
 
        descs[0] = &opts->rndis_os_desc;
+       names[0] = "rndis";
        usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
-                                      THIS_MODULE);
+                                      names, THIS_MODULE);
        config_group_init_type_name(&opts->func_inst.group, "",
                                    &rndis_func_type);
 
index 99a37ed03e278429a08513e39a6dd6446af53d27..c7004ee89c90d17eaded6f653a93acbf2af96aa6 100644 (file)
@@ -1532,8 +1532,9 @@ static int gr_ep_enable(struct usb_ep *_ep,
                        "%s mode: multiple trans./microframe not valid\n",
                        (mode == 2 ? "Bulk" : "Control"));
                return -EINVAL;
-       } else if (nt == 0x11) {
-               dev_err(dev->dev, "Invalid value for trans./microframe\n");
+       } else if (nt == 0x3) {
+               dev_err(dev->dev,
+                       "Invalid value 0x3 for additional trans./microframe\n");
                return -EINVAL;
        } else if ((nt + 1) * max > buffer_size) {
                dev_err(dev->dev, "Hw buffer size %d < max payload %d * %d\n",
index ee6c16416c300121aad92cca9479fb0613b96af9..2e4ce7704908bc78e4ed2385842a1e6dbec1d59c 100644 (file)
@@ -1264,8 +1264,13 @@ dev_release (struct inode *inode, struct file *fd)
 
        kfree (dev->buf);
        dev->buf = NULL;
-       put_dev (dev);
 
+       /* other endpoints were all decoupled from this device */
+       spin_lock_irq(&dev->lock);
+       dev->state = STATE_DEV_DISABLED;
+       spin_unlock_irq(&dev->lock);
+
+       put_dev (dev);
        return 0;
 }
 
index 3d78a8844e438f7e1904c5429655af8a4708d95d..97b027724ee7a5a5ce28d1fdf5feb9335c4fef22 100644 (file)
@@ -1120,7 +1120,10 @@ void gether_disconnect(struct gether *link)
 
        DBG(dev, "%s\n", __func__);
 
+       netif_tx_lock(dev->net);
        netif_stop_queue(dev->net);
+       netif_tx_unlock(dev->net);
+
        netif_carrier_off(dev->net);
 
        /* disable endpoints, forcing (synchronous) completion
index 61b7817bd66bc007d30f69401606567c2ace4426..03314f861beef3f0386dfb1853b1d885124d863f 100644 (file)
@@ -176,7 +176,7 @@ config USB_EHCI_HCD_AT91
 
 config USB_EHCI_MSM
        tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller"
-       depends on ARCH_MSM
+       depends on ARCH_MSM || ARCH_QCOM
        select USB_EHCI_ROOT_HUB_TT
        ---help---
          Enables support for the USB Host controller present on the
index 2b998c60faf23089f496c24ccb4355e711337539..aa79e8749040b783281ec6f968620fc41ad41876 100644 (file)
@@ -22,6 +22,7 @@
 
 
 #include <linux/slab.h>
+#include <linux/device.h>
 #include <asm/unaligned.h>
 
 #include "xhci.h"
@@ -1139,7 +1140,9 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
                 * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
                 * is enabled, so also enable remote wake here.
                 */
-               if (hcd->self.root_hub->do_remote_wakeup) {
+               if (hcd->self.root_hub->do_remote_wakeup
+                               && device_may_wakeup(hcd->self.controller)) {
+
                        if (t1 & PORT_CONNECT) {
                                t2 |= PORT_WKOC_E | PORT_WKDISC_E;
                                t2 &= ~PORT_WKCONN_E;
index d67ff71209f52a33d3b40fd5d79930f40d0ed8ad..749fc68eb5c135ef648f27816bce14d87cee7f23 100644 (file)
@@ -1433,8 +1433,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
                xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code);
                break;
        case TRB_RESET_DEV:
-               WARN_ON(slot_id != TRB_TO_SLOT_ID(
-                               le32_to_cpu(cmd_trb->generic.field[3])));
+               /* SLOT_ID field in reset device cmd completion event TRB is 0.
+                * Use the SLOT_ID from the command TRB instead (xhci 4.6.11)
+                */
+               slot_id = TRB_TO_SLOT_ID(
+                               le32_to_cpu(cmd_trb->generic.field[3]));
                xhci_handle_cmd_reset_dev(xhci, slot_id, event);
                break;
        case TRB_NEC_GET_FW:
@@ -3534,7 +3537,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
                return 0;
 
        max_burst = urb->ep->ss_ep_comp.bMaxBurst;
-       return roundup(total_packet_count, max_burst + 1) - 1;
+       return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
 }
 
 /*
index 2b8d9a24af09ef2edb6269e3fefbecda59bc5e4e..7436d5f5e67aab1f17e251b7503c0360f17ae861 100644 (file)
@@ -936,7 +936,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
  */
 int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 {
-       u32                     command, temp = 0;
+       u32                     command, temp = 0, status;
        struct usb_hcd          *hcd = xhci_to_hcd(xhci);
        struct usb_hcd          *secondary_hcd;
        int                     retval = 0;
@@ -1054,8 +1054,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
  done:
        if (retval == 0) {
-               usb_hcd_resume_root_hub(hcd);
-               usb_hcd_resume_root_hub(xhci->shared_hcd);
+               /* Resume root hubs only when have pending events. */
+               status = readl(&xhci->op_regs->status);
+               if (status & STS_EINT) {
+                       usb_hcd_resume_root_hub(hcd);
+                       usb_hcd_resume_root_hub(xhci->shared_hcd);
+               }
        }
 
        /*
index d2353781bd2de88444228943da9db8c57bafb269..1e58ed2361cc45044ba22b167c12e22af66f1ff3 100644 (file)
@@ -19,21 +19,6 @@ err:
        return ret;
 }
 
-static int of_remove_populated_child(struct device *dev, void *d)
-{
-       struct platform_device *pdev = to_platform_device(dev);
-
-       of_device_unregister(pdev);
-       return 0;
-}
-
-static int am335x_child_remove(struct platform_device *pdev)
-{
-       device_for_each_child(&pdev->dev, NULL, of_remove_populated_child);
-       pm_runtime_disable(&pdev->dev);
-       return 0;
-}
-
 static const struct of_device_id am335x_child_of_match[] = {
        { .compatible = "ti,am33xx-usb" },
        {  },
@@ -42,13 +27,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match);
 
 static struct platform_driver am335x_child_driver = {
        .probe          = am335x_child_probe,
-       .remove         = am335x_child_remove,
        .driver         = {
                .name   = "am335x-usb-childs",
                .of_match_table = am335x_child_of_match,
        },
 };
 
-module_platform_driver(am335x_child_driver);
+static int __init am335x_child_init(void)
+{
+       return platform_driver_register(&am335x_child_driver);
+}
+module_init(am335x_child_init);
+
 MODULE_DESCRIPTION("AM33xx child devices");
 MODULE_LICENSE("GPL v2");
index 61da471b7aed2c485039c19353d38a90cab429eb..eff3c5cf84f48e8489c605d5bf24915809f109ca 100644 (file)
@@ -849,7 +849,7 @@ b_host:
        }
 
        /* handle babble condition */
-       if (int_usb & MUSB_INTR_BABBLE)
+       if (int_usb & MUSB_INTR_BABBLE && is_host_active(musb))
                schedule_work(&musb->recover_work);
 
 #if 0
index 7b8bbf53127e114c5615fa7c90ae75a0485f6779..5341bb223b7cbab3b4465fed5ad83e7a4825b360 100644 (file)
@@ -318,7 +318,7 @@ static void cppi41_dma_callback(void *private_data)
                }
                list_add_tail(&cppi41_channel->tx_check,
                                &controller->early_tx_list);
-               if (!hrtimer_active(&controller->early_tx)) {
+               if (!hrtimer_is_queued(&controller->early_tx)) {
                        hrtimer_start_range_ns(&controller->early_tx,
                                ktime_set(0, 140 * NSEC_PER_USEC),
                                40 * NSEC_PER_USEC,
index 51beb13c7e1a4d4f9694a5469a12363751ef5d6b..09529f94e72d7771661c33e77c5b364cc6bdecf3 100644 (file)
@@ -494,10 +494,9 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
        struct dsps_glue *glue = dev_get_drvdata(dev->parent);
        const struct dsps_musb_wrapper *wrp = glue->wrp;
        void __iomem *ctrl_base = musb->ctrl_base;
-       void __iomem *base = musb->mregs;
        u32 reg;
 
-       reg = dsps_readl(base, wrp->mode);
+       reg = dsps_readl(ctrl_base, wrp->mode);
 
        switch (mode) {
        case MUSB_HOST:
@@ -510,7 +509,7 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
                 */
                reg |= (1 << wrp->iddig_mux);
 
-               dsps_writel(base, wrp->mode, reg);
+               dsps_writel(ctrl_base, wrp->mode, reg);
                dsps_writel(ctrl_base, wrp->phy_utmi, 0x02);
                break;
        case MUSB_PERIPHERAL:
@@ -523,10 +522,10 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode)
                 */
                reg |= (1 << wrp->iddig_mux);
 
-               dsps_writel(base, wrp->mode, reg);
+               dsps_writel(ctrl_base, wrp->mode, reg);
                break;
        case MUSB_OTG:
-               dsps_writel(base, wrp->phy_utmi, 0x02);
+               dsps_writel(ctrl_base, wrp->phy_utmi, 0x02);
                break;
        default:
                dev_err(glue->dev, "unsupported mode %d\n", mode);
index c2e45e632723b5d921a5a1e9aa4cef66bba2ecd5..f202e50884615cb50fb9259f43cbc54099d403a8 100644 (file)
@@ -274,7 +274,6 @@ static int ux500_probe(struct platform_device *pdev)
        musb->dev.parent                = &pdev->dev;
        musb->dev.dma_mask              = &pdev->dev.coherent_dma_mask;
        musb->dev.coherent_dma_mask     = pdev->dev.coherent_dma_mask;
-       musb->dev.of_node               = pdev->dev.of_node;
 
        glue->dev                       = &pdev->dev;
        glue->musb                      = musb;
index ced34f39bdd47f29ddf308ad7d89f59af3e5b3ce..c929370cdaa64454201d7b2a1884f0d88f3c87a8 100644 (file)
@@ -1229,7 +1229,9 @@ static void msm_otg_sm_work(struct work_struct *w)
                        motg->chg_state = USB_CHG_STATE_UNDEFINED;
                        motg->chg_type = USB_INVALID_CHARGER;
                }
-               pm_runtime_put_sync(otg->phy->dev);
+
+               if (otg->phy->state == OTG_STATE_B_IDLE)
+                       pm_runtime_put_sync(otg->phy->dev);
                break;
        case OTG_STATE_B_PERIPHERAL:
                dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n");
index d49f9c3260350b979a9770da563d36b4d9d1696c..4fd36530bfa35dfb9a83b89f7d02abd04b17fbea 100644 (file)
@@ -681,6 +681,14 @@ usbhs_fifo_read_end:
                usbhs_pipe_number(pipe),
                pkt->length, pkt->actual, *is_done, pkt->zero);
 
+       /*
+        * Transmission end
+        */
+       if (*is_done) {
+               if (usbhs_pipe_is_dcp(pipe))
+                       usbhs_dcp_control_transfer_done(pipe);
+       }
+
 usbhs_fifo_read_busy:
        usbhsf_fifo_unselect(pipe, fifo);
 
index edf3b124583c090e5591b79b660bf972121cb97b..115662c16dccd740129564c101d7a9900a1273cd 100644 (file)
@@ -1566,14 +1566,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
        struct usb_device *udev = serial->dev;
 
        struct usb_interface *interface = serial->interface;
-       struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
+       struct usb_endpoint_descriptor *ep_desc;
 
        unsigned num_endpoints;
-       int i;
+       unsigned i;
 
        num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
        dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
 
+       if (!num_endpoints)
+               return;
+
        /* NOTE: some customers have programmed FT232R/FT245R devices
         * with an endpoint size of 0 - not good.  In this case, we
         * want to override the endpoint descriptor setting and use a
index 59c3108cc13663e71dd97d2656e74940e7f27e48..ac73f49cd9f03d23118b05ae605e617e77e06a55 100644 (file)
@@ -352,6 +352,9 @@ static void option_instat_callback(struct urb *urb);
 /* Zoom */
 #define ZOOM_PRODUCT_4597                      0x9607
 
+/* SpeedUp SU9800 usb 3g modem */
+#define SPEEDUP_PRODUCT_SU9800                 0x9800
+
 /* Haier products */
 #define HAIER_VENDOR_ID                                0x201e
 #define HAIER_PRODUCT_CE100                    0x2009
@@ -372,8 +375,12 @@ static void option_instat_callback(struct urb *urb);
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID                     0x0b3c
 #define OLIVETTI_PRODUCT_OLICARD100            0xc000
+#define OLIVETTI_PRODUCT_OLICARD120            0xc001
+#define OLIVETTI_PRODUCT_OLICARD140            0xc002
 #define OLIVETTI_PRODUCT_OLICARD145            0xc003
+#define OLIVETTI_PRODUCT_OLICARD155            0xc004
 #define OLIVETTI_PRODUCT_OLICARD200            0xc005
+#define OLIVETTI_PRODUCT_OLICARD160            0xc00a
 #define OLIVETTI_PRODUCT_OLICARD500            0xc00b
 
 /* Celot products */
@@ -1577,6 +1584,7 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
          .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
        },
+       { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
        { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
        { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
        { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -1611,15 +1619,21 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
        { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
-
-       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
+       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
+               .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
+               .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140),
+               .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
+       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155),
+               .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200),
-               .driver_info = (kernel_ulong_t)&net_intf6_blacklist
-       },
+               .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
+       { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160),
+               .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
        { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500),
-               .driver_info = (kernel_ulong_t)&net_intf4_blacklist
-       },
+               .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
        { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
        { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
        { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
index 9d38ddc8da492178afc8c2bebdbb8cb62cadc85f..866b5df36ed100b1d47a2f378a33785f4779e53e 100644 (file)
@@ -256,6 +256,10 @@ static int slave_configure(struct scsi_device *sdev)
                if (us->fflags & US_FL_WRITE_CACHE)
                        sdev->wce_default_on = 1;
 
+               /* A few buggy USB-ATA bridges don't understand FUA */
+               if (us->fflags & US_FL_BROKEN_FUA)
+                       sdev->broken_fua = 1;
+
        } else {
 
                /* Non-disk-type devices don't need to blacklist any pages
index 174a447868cd6924fd81f39ea0da8666b88e2110..80a5b366255fb8acb812cadfe0ff6d63d5329ece 100644 (file)
@@ -1936,6 +1936,13 @@ UNUSUAL_DEV(  0x14cd, 0x6600, 0x0201, 0x0201,
                USB_SC_DEVICE, USB_PR_DEVICE, NULL,
                US_FL_IGNORE_RESIDUE ),
 
+/* Reported by Michael Büsch <m@bues.ch> */
+UNUSUAL_DEV(  0x152d, 0x0567, 0x0114, 0x0114,
+               "JMicron",
+               "USB to ATA/ATAPI Bridge",
+               USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+               US_FL_BROKEN_FUA ),
+
 /* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br>
  * JMicron responds to USN and several other SCSI ioctls with a
  * residue that causes subsequent I/O requests to fail.  */
index e683b6ef95940dc6e5424691abff0806c61a784f..d36e830d6fc66a3755c70214dd87a99baa94e2f9 100644 (file)
@@ -1057,6 +1057,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
                goto put_display_node;
        }
 
+       INIT_LIST_HEAD(&pdata->pwr_gpios);
        ret = -ENOMEM;
        for (i = 0; i < of_gpio_named_count(display_np, "atmel,power-control-gpio"); i++) {
                gpio = of_get_named_gpio_flags(display_np, "atmel,power-control-gpio",
@@ -1082,6 +1083,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
                        dev_err(dev, "set direction output gpio %d failed\n", gpio);
                        goto put_display_node;
                }
+               list_add(&og->list, &pdata->pwr_gpios);
        }
 
        if (is_gpio_power)
index a54f7f7d763b0ae52f21530ce50ee829bd9fc2cb..8fe41caac38e3e2b63be0f5940a4d0f773725c52 100644 (file)
@@ -408,7 +408,7 @@ static int bfin_adv7393_fb_probe(struct i2c_client *client,
        /* Workaround "PPI Does Not Start Properly In Specific Mode" */
        if (ANOMALY_05000400) {
                ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW,
-                                       "PPI0_FS3")
+                                       "PPI0_FS3");
                if (ret) {
                        dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n");
                        ret = -EBUSY;
index 99af9e88b2d800d390ced7f884bdd9d58d4fdb89..2f0822ee3ff936f5318319b0ff1338e916dbaff5 100644 (file)
@@ -121,9 +121,11 @@ static void __init omapdss_add_to_list(struct device_node *node, bool root)
 {
        struct dss_conv_node *n = kmalloc(sizeof(struct dss_conv_node),
                GFP_KERNEL);
-       n->node = node;
-       n->root = root;
-       list_add(&n->list, &dss_conv_list);
+       if (n) {
+               n->node = node;
+               n->root = root;
+               list_add(&n->list, &dss_conv_list);
+       }
 }
 
 static bool __init omapdss_list_contains(const struct device_node *node)
index a8f2b280f796337df10aa430688f859bdf47b12f..a1134c3f6c116cbfa605f9888856c435c9e284d2 100644 (file)
@@ -474,8 +474,6 @@ static int vt8500lcd_remove(struct platform_device *pdev)
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        release_mem_region(res->start, resource_size(res));
 
-       kfree(fbi);
-
        return 0;
 }
 
index d7bd395ab5865d070b547ac31c03a85b58ae6c46..1c55388ae633c9908ab31934de070cbee08ae06f 100644 (file)
@@ -210,7 +210,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
        int pipefd;
        struct autofs_sb_info *sbi;
        struct autofs_info *ino;
-       int pgrp;
+       int pgrp = 0;
        bool pgrp_set = false;
        int ret = -EINVAL;
 
index 92371c41422861a4a38c287e67a63be0f00b3089..1daea0b47187b58db65dde86411e88578473fcf4 100644 (file)
@@ -821,7 +821,7 @@ static void free_workspace(int type, struct list_head *workspace)
 
        spin_lock(workspace_lock);
        if (*num_workspace < num_online_cpus()) {
-               list_add_tail(workspace, idle_workspace);
+               list_add(workspace, idle_workspace);
                (*num_workspace)++;
                spin_unlock(workspace_lock);
                goto wake;
index 2af6e66fe78894b7772d42d1160233459408cb07..eea26e1b2fda1d21230dd5f1e01e25f8fb23a3e8 100644 (file)
@@ -36,6 +36,7 @@
 #include "check-integrity.h"
 #include "rcu-string.h"
 #include "dev-replace.h"
+#include "sysfs.h"
 
 static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
                                       int scrub_ret);
@@ -562,6 +563,10 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
                fs_info->fs_devices->latest_bdev = tgt_device->bdev;
        list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list);
 
+       /* replace the sysfs entry */
+       btrfs_kobj_rm_device(fs_info, src_device);
+       btrfs_kobj_add_device(fs_info, tgt_device);
+
        btrfs_rm_dev_replace_blocked(fs_info);
 
        btrfs_rm_dev_replace_srcdev(fs_info, src_device);
index 8bb4aa19898fb2b73a039b7f3ffd61fb70dd15f0..08e65e9cf2aa97cb009249f5bf231d07e2c1f890 100644 (file)
@@ -369,7 +369,8 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
 out:
        unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,
                             &cached_state, GFP_NOFS);
-       btrfs_tree_read_unlock_blocking(eb);
+       if (need_lock)
+               btrfs_tree_read_unlock_blocking(eb);
        return ret;
 }
 
@@ -2904,7 +2905,9 @@ retry_root_backup:
                if (ret)
                        goto fail_qgroup;
 
+               mutex_lock(&fs_info->cleaner_mutex);
                ret = btrfs_recover_relocation(tree_root);
+               mutex_unlock(&fs_info->cleaner_mutex);
                if (ret < 0) {
                        printk(KERN_WARNING
                               "BTRFS: failed to recover relocation\n");
index 99c25391820830a212061d0cdf042f11651c1a1d..813537f362f9ea318c05dd0c6a6030c2fbe08381 100644 (file)
@@ -5678,7 +5678,6 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
        struct btrfs_caching_control *next;
        struct btrfs_caching_control *caching_ctl;
        struct btrfs_block_group_cache *cache;
-       struct btrfs_space_info *space_info;
 
        down_write(&fs_info->commit_root_sem);
 
@@ -5701,9 +5700,6 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
 
        up_write(&fs_info->commit_root_sem);
 
-       list_for_each_entry_rcu(space_info, &fs_info->space_info, list)
-               percpu_counter_set(&space_info->total_bytes_pinned, 0);
-
        update_global_block_rsv(fs_info);
 }
 
@@ -5741,6 +5737,7 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
                spin_lock(&cache->lock);
                cache->pinned -= len;
                space_info->bytes_pinned -= len;
+               percpu_counter_add(&space_info->total_bytes_pinned, -len);
                if (cache->ro) {
                        space_info->bytes_readonly += len;
                        readonly = true;
index 0d321c23069a0aa9ea1aeac570bdf837cf208d24..47aceb494d1d456da8940c5e7a1d3eed3fa4adc5 100644 (file)
@@ -136,19 +136,22 @@ static unsigned int btrfs_flags_to_ioctl(unsigned int flags)
 void btrfs_update_iflags(struct inode *inode)
 {
        struct btrfs_inode *ip = BTRFS_I(inode);
-
-       inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
+       unsigned int new_fl = 0;
 
        if (ip->flags & BTRFS_INODE_SYNC)
-               inode->i_flags |= S_SYNC;
+               new_fl |= S_SYNC;
        if (ip->flags & BTRFS_INODE_IMMUTABLE)
-               inode->i_flags |= S_IMMUTABLE;
+               new_fl |= S_IMMUTABLE;
        if (ip->flags & BTRFS_INODE_APPEND)
-               inode->i_flags |= S_APPEND;
+               new_fl |= S_APPEND;
        if (ip->flags & BTRFS_INODE_NOATIME)
-               inode->i_flags |= S_NOATIME;
+               new_fl |= S_NOATIME;
        if (ip->flags & BTRFS_INODE_DIRSYNC)
-               inode->i_flags |= S_DIRSYNC;
+               new_fl |= S_DIRSYNC;
+
+       set_mask_bits(&inode->i_flags,
+                     S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | S_DIRSYNC,
+                     new_fl);
 }
 
 /*
@@ -3139,7 +3142,6 @@ out:
 static void clone_update_extent_map(struct inode *inode,
                                    const struct btrfs_trans_handle *trans,
                                    const struct btrfs_path *path,
-                                   struct btrfs_file_extent_item *fi,
                                    const u64 hole_offset,
                                    const u64 hole_len)
 {
@@ -3154,7 +3156,11 @@ static void clone_update_extent_map(struct inode *inode,
                return;
        }
 
-       if (fi) {
+       if (path) {
+               struct btrfs_file_extent_item *fi;
+
+               fi = btrfs_item_ptr(path->nodes[0], path->slots[0],
+                                   struct btrfs_file_extent_item);
                btrfs_extent_item_to_extent_map(inode, path, fi, false, em);
                em->generation = -1;
                if (btrfs_file_extent_type(path->nodes[0], fi) ==
@@ -3508,18 +3514,15 @@ process_slot:
                                            btrfs_item_ptr_offset(leaf, slot),
                                            size);
                                inode_add_bytes(inode, datal);
-                               extent = btrfs_item_ptr(leaf, slot,
-                                               struct btrfs_file_extent_item);
                        }
 
                        /* If we have an implicit hole (NO_HOLES feature). */
                        if (drop_start < new_key.offset)
                                clone_update_extent_map(inode, trans,
-                                               path, NULL, drop_start,
+                                               NULL, drop_start,
                                                new_key.offset - drop_start);
 
-                       clone_update_extent_map(inode, trans, path,
-                                               extent, 0, 0);
+                       clone_update_extent_map(inode, trans, path, 0, 0);
 
                        btrfs_mark_buffer_dirty(leaf);
                        btrfs_release_path(path);
@@ -3562,12 +3565,10 @@ process_slot:
                        btrfs_end_transaction(trans, root);
                        goto out;
                }
+               clone_update_extent_map(inode, trans, NULL, last_dest_end,
+                                       destoff + len - last_dest_end);
                ret = clone_finish_inode_update(trans, inode, destoff + len,
                                                destoff, olen);
-               if (ret)
-                       goto out;
-               clone_update_extent_map(inode, trans, path, NULL, last_dest_end,
-                                       destoff + len - last_dest_end);
        }
 
 out:
index 6efd70d3b64f785e23d0bb3323d4905825406c62..9626b4ad3b9a5a82812c7ced61ed9ce47fd995fb 100644 (file)
@@ -54,7 +54,7 @@ static void print_extent_data_ref(struct extent_buffer *eb,
               btrfs_extent_data_ref_count(eb, ref));
 }
 
-static void print_extent_item(struct extent_buffer *eb, int slot)
+static void print_extent_item(struct extent_buffer *eb, int slot, int type)
 {
        struct btrfs_extent_item *ei;
        struct btrfs_extent_inline_ref *iref;
@@ -63,7 +63,6 @@ static void print_extent_item(struct extent_buffer *eb, int slot)
        struct btrfs_disk_key key;
        unsigned long end;
        unsigned long ptr;
-       int type;
        u32 item_size = btrfs_item_size_nr(eb, slot);
        u64 flags;
        u64 offset;
@@ -88,7 +87,8 @@ static void print_extent_item(struct extent_buffer *eb, int slot)
               btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei),
               flags);
 
-       if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
+       if ((type == BTRFS_EXTENT_ITEM_KEY) &&
+           flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
                struct btrfs_tree_block_info *info;
                info = (struct btrfs_tree_block_info *)(ei + 1);
                btrfs_tree_block_key(eb, info, &key);
@@ -223,7 +223,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l)
                                btrfs_disk_root_refs(l, ri));
                        break;
                case BTRFS_EXTENT_ITEM_KEY:
-                       print_extent_item(l, i);
+               case BTRFS_METADATA_ITEM_KEY:
+                       print_extent_item(l, i, type);
                        break;
                case BTRFS_TREE_BLOCK_REF_KEY:
                        printk(KERN_INFO "\t\ttree block backref\n");
index 4055291a523e933c6f4a561da8b58098790cb7ba..4a88f073fdd79bf5440f2d54fb4771fc4361212c 100644 (file)
@@ -1956,9 +1956,10 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
         * pages are going to be uptodate.
         */
        for (stripe = 0; stripe < bbio->num_stripes; stripe++) {
-               if (rbio->faila == stripe ||
-                   rbio->failb == stripe)
+               if (rbio->faila == stripe || rbio->failb == stripe) {
+                       atomic_inc(&rbio->bbio->error);
                        continue;
+               }
 
                for (pagenr = 0; pagenr < nr_pages; pagenr++) {
                        struct page *p;
index 4662d92a4b7386cf82c264a0474eca825f8e4f1e..8e16bca69c56de7fa54c1680698b60d7319a03a9 100644 (file)
@@ -522,9 +522,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
                case Opt_ssd_spread:
                        btrfs_set_and_info(root, SSD_SPREAD,
                                           "use spread ssd allocation scheme");
+                       btrfs_set_opt(info->mount_opt, SSD);
                        break;
                case Opt_nossd:
-                       btrfs_clear_and_info(root, NOSSD,
+                       btrfs_set_and_info(root, NOSSD,
                                             "not using ssd allocation scheme");
                        btrfs_clear_opt(info->mount_opt, SSD);
                        break;
@@ -1467,7 +1468,9 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
                        goto restore;
 
                /* recover relocation */
+               mutex_lock(&fs_info->cleaner_mutex);
                ret = btrfs_recover_relocation(root);
+               mutex_unlock(&fs_info->cleaner_mutex);
                if (ret)
                        goto restore;
 
@@ -1808,6 +1811,8 @@ static int btrfs_show_devname(struct seq_file *m, struct dentry *root)
                list_for_each_entry(dev, head, dev_list) {
                        if (dev->missing)
                                continue;
+                       if (!dev->name)
+                               continue;
                        if (!first_dev || dev->devid < first_dev->devid)
                                first_dev = dev;
                }
index df39458f14879999c2b1bce5b59d06e626ccbf1d..78699364f537c423b9fa25cb0e3c124ded8c6ce7 100644 (file)
@@ -605,14 +605,37 @@ static void init_feature_attrs(void)
        }
 }
 
-static int add_device_membership(struct btrfs_fs_info *fs_info)
+int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info,
+               struct btrfs_device *one_device)
+{
+       struct hd_struct *disk;
+       struct kobject *disk_kobj;
+
+       if (!fs_info->device_dir_kobj)
+               return -EINVAL;
+
+       if (one_device) {
+               disk = one_device->bdev->bd_part;
+               disk_kobj = &part_to_dev(disk)->kobj;
+
+               sysfs_remove_link(fs_info->device_dir_kobj,
+                                               disk_kobj->name);
+       }
+
+       return 0;
+}
+
+int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info,
+               struct btrfs_device *one_device)
 {
        int error = 0;
        struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
        struct btrfs_device *dev;
 
-       fs_info->device_dir_kobj = kobject_create_and_add("devices",
+       if (!fs_info->device_dir_kobj)
+               fs_info->device_dir_kobj = kobject_create_and_add("devices",
                                                &fs_info->super_kobj);
+
        if (!fs_info->device_dir_kobj)
                return -ENOMEM;
 
@@ -623,6 +646,9 @@ static int add_device_membership(struct btrfs_fs_info *fs_info)
                if (!dev->bdev)
                        continue;
 
+               if (one_device && one_device != dev)
+                       continue;
+
                disk = dev->bdev->bd_part;
                disk_kobj = &part_to_dev(disk)->kobj;
 
@@ -666,7 +692,7 @@ int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info)
        if (error)
                goto failure;
 
-       error = add_device_membership(fs_info);
+       error = btrfs_kobj_add_device(fs_info, NULL);
        if (error)
                goto failure;
 
index 9ab576318a84f06cec8e46b2a9afc557e0840d9d..ac46df37504c45c0bac5196ea02d979677b225f6 100644 (file)
@@ -66,4 +66,8 @@ char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);
 extern const char * const btrfs_feature_set_names[3];
 extern struct kobj_type space_info_ktype;
 extern struct kobj_type btrfs_raid_ktype;
+int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info,
+               struct btrfs_device *one_device);
+int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info,
+                struct btrfs_device *one_device);
 #endif /* _BTRFS_SYSFS_H_ */
index 511839c04f11bf1130475815aca9cd79bb775d0a..5f379affdf236119f4ab031ad6843a822a0ec24c 100644 (file)
@@ -386,11 +386,13 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
        bool reloc_reserved = false;
        int ret;
 
+       /* Send isn't supposed to start transactions. */
+       ASSERT(current->journal_info != (void *)BTRFS_SEND_TRANS_STUB);
+
        if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
                return ERR_PTR(-EROFS);
 
-       if (current->journal_info &&
-           current->journal_info != (void *)BTRFS_SEND_TRANS_STUB) {
+       if (current->journal_info) {
                WARN_ON(type & TRANS_EXTWRITERS);
                h = current->journal_info;
                h->use_count++;
@@ -491,6 +493,7 @@ again:
        smp_mb();
        if (cur_trans->state >= TRANS_STATE_BLOCKED &&
            may_wait_transaction(root, type)) {
+               current->journal_info = h;
                btrfs_commit_transaction(h, root);
                goto again;
        }
@@ -1615,11 +1618,6 @@ static int btrfs_flush_all_pending_stuffs(struct btrfs_trans_handle *trans,
        int ret;
 
        ret = btrfs_run_delayed_items(trans, root);
-       /*
-        * running the delayed items may have added new refs. account
-        * them now so that they hinder processing of more delayed refs
-        * as little as possible.
-        */
        if (ret)
                return ret;
 
index c83b24251e533d7730be288544c078f37c6bd1f6..6104676857f5c6567bcbb5a375cb91e90a78956f 100644 (file)
@@ -40,6 +40,7 @@
 #include "rcu-string.h"
 #include "math.h"
 #include "dev-replace.h"
+#include "sysfs.h"
 
 static int init_first_rw_device(struct btrfs_trans_handle *trans,
                                struct btrfs_root *root,
@@ -554,12 +555,14 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig)
                 * This is ok to do without rcu read locked because we hold the
                 * uuid mutex so nothing we touch in here is going to disappear.
                 */
-               name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS);
-               if (!name) {
-                       kfree(device);
-                       goto error;
+               if (orig_dev->name) {
+                       name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS);
+                       if (!name) {
+                               kfree(device);
+                               goto error;
+                       }
+                       rcu_assign_pointer(device->name, name);
                }
-               rcu_assign_pointer(device->name, name);
 
                list_add(&device->dev_list, &fs_devices->devices);
                device->fs_devices = fs_devices;
@@ -1680,6 +1683,9 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
        if (device->bdev)
                device->fs_devices->open_devices--;
 
+       /* remove sysfs entry */
+       btrfs_kobj_rm_device(root->fs_info, device);
+
        call_rcu(&device->rcu, free_device);
 
        num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1;
@@ -2143,9 +2149,14 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
        total_bytes = btrfs_super_num_devices(root->fs_info->super_copy);
        btrfs_set_super_num_devices(root->fs_info->super_copy,
                                    total_bytes + 1);
+
+       /* add sysfs device entry */
+       btrfs_kobj_add_device(root->fs_info, device);
+
        mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
 
        if (seeding_dev) {
+               char fsid_buf[BTRFS_UUID_UNPARSED_SIZE];
                ret = init_first_rw_device(trans, root, device);
                if (ret) {
                        btrfs_abort_transaction(trans, root, ret);
@@ -2156,6 +2167,14 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
                        btrfs_abort_transaction(trans, root, ret);
                        goto error_trans;
                }
+
+               /* Sprouting would change fsid of the mounted root,
+                * so rename the fsid on the sysfs
+                */
+               snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU",
+                                               root->fs_info->fsid);
+               if (kobject_rename(&root->fs_info->super_kobj, fsid_buf))
+                       goto error_trans;
        } else {
                ret = btrfs_add_device(trans, root, device);
                if (ret) {
@@ -2205,6 +2224,7 @@ error_trans:
        unlock_chunks(root);
        btrfs_end_transaction(trans, root);
        rcu_string_free(device->name);
+       btrfs_kobj_rm_device(root->fs_info, device);
        kfree(device);
 error:
        blkdev_put(bdev, FMODE_EXCL);
index 4f196314c0c152a3b80bc696723e554a6bae3005..b67d8fc81277675edb3fdb7beb9b8c4db2c919ad 100644 (file)
@@ -136,7 +136,7 @@ static int zlib_compress_pages(struct list_head *ws,
                if (workspace->def_strm.total_in > 8192 &&
                    workspace->def_strm.total_in <
                    workspace->def_strm.total_out) {
-                       ret = -EIO;
+                       ret = -E2BIG;
                        goto out;
                }
                /* we need another page for writing out.  Test this
index 0762d143e252439e7061a9e6ac074a49c69fbe46..fca382037ddd9eef2ded6383f0ff1061b435d0b6 100644 (file)
@@ -194,7 +194,16 @@ static void ext4_init_block_bitmap(struct super_block *sb,
        if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
                ext4_error(sb, "Checksum bad for group %u", block_group);
                grp = ext4_get_group_info(sb, block_group);
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          grp->bb_free);
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
+               if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+                       int count;
+                       count = ext4_free_inodes_count(sb, gdp);
+                       percpu_counter_sub(&sbi->s_freeinodes_counter,
+                                          count);
+               }
                set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
                return;
        }
@@ -359,6 +368,7 @@ static void ext4_validate_block_bitmap(struct super_block *sb,
 {
        ext4_fsblk_t    blk;
        struct ext4_group_info *grp = ext4_get_group_info(sb, block_group);
+       struct ext4_sb_info *sbi = EXT4_SB(sb);
 
        if (buffer_verified(bh))
                return;
@@ -369,6 +379,9 @@ static void ext4_validate_block_bitmap(struct super_block *sb,
                ext4_unlock_group(sb, block_group);
                ext4_error(sb, "bg %u: block %llu: invalid block bitmap",
                           block_group, blk);
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          grp->bb_free);
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
                return;
        }
@@ -376,6 +389,9 @@ static void ext4_validate_block_bitmap(struct super_block *sb,
                        desc, bh))) {
                ext4_unlock_group(sb, block_group);
                ext4_error(sb, "bg %u: bad block bitmap checksum", block_group);
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          grp->bb_free);
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
                return;
        }
index 0ee59a6644e211b752480364c95e5616ab9e92fd..a87455df38bca3e743d603709a208e7da77b61fe 100644 (file)
@@ -71,6 +71,7 @@ static unsigned ext4_init_inode_bitmap(struct super_block *sb,
                                       struct ext4_group_desc *gdp)
 {
        struct ext4_group_info *grp;
+       struct ext4_sb_info *sbi = EXT4_SB(sb);
        J_ASSERT_BH(bh, buffer_locked(bh));
 
        /* If checksum is bad mark all blocks and inodes use to prevent
@@ -78,7 +79,16 @@ static unsigned ext4_init_inode_bitmap(struct super_block *sb,
        if (!ext4_group_desc_csum_verify(sb, block_group, gdp)) {
                ext4_error(sb, "Checksum bad for group %u", block_group);
                grp = ext4_get_group_info(sb, block_group);
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          grp->bb_free);
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
+               if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+                       int count;
+                       count = ext4_free_inodes_count(sb, gdp);
+                       percpu_counter_sub(&sbi->s_freeinodes_counter,
+                                          count);
+               }
                set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
                return 0;
        }
@@ -116,6 +126,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
        struct buffer_head *bh = NULL;
        ext4_fsblk_t bitmap_blk;
        struct ext4_group_info *grp;
+       struct ext4_sb_info *sbi = EXT4_SB(sb);
 
        desc = ext4_get_group_desc(sb, block_group, NULL);
        if (!desc)
@@ -185,6 +196,12 @@ verify:
                ext4_error(sb, "Corrupt inode bitmap - block_group = %u, "
                           "inode_bitmap = %llu", block_group, bitmap_blk);
                grp = ext4_get_group_info(sb, block_group);
+               if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+                       int count;
+                       count = ext4_free_inodes_count(sb, desc);
+                       percpu_counter_sub(&sbi->s_freeinodes_counter,
+                                          count);
+               }
                set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
                return NULL;
        }
@@ -321,6 +338,12 @@ out:
                        fatal = err;
        } else {
                ext4_error(sb, "bit already cleared for inode %lu", ino);
+               if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) {
+                       int count;
+                       count = ext4_free_inodes_count(sb, gdp);
+                       percpu_counter_sub(&sbi->s_freeinodes_counter,
+                                          count);
+               }
                set_bit(EXT4_GROUP_INFO_IBITMAP_CORRUPT_BIT, &grp->bb_state);
        }
 
index 8a57e9fcd1b987bdab029e7658ae100d10949d5a..fd69da1948265877198c80b9833f5ca7037affae 100644 (file)
@@ -389,7 +389,13 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
        return 0;
 failed:
        for (; i >= 0; i--) {
-               if (i != indirect_blks && branch[i].bh)
+               /*
+                * We want to ext4_forget() only freshly allocated indirect
+                * blocks.  Buffer for new_blocks[i-1] is at branch[i].bh and
+                * buffer at branch[0].bh is indirect block / inode already
+                * existing before ext4_alloc_branch() was called.
+                */
+               if (i > 0 && i != indirect_blks && branch[i].bh)
                        ext4_forget(handle, 1, inode, branch[i].bh,
                                    branch[i].bh->b_blocknr);
                ext4_free_blocks(handle, inode, NULL, new_blocks[i],
@@ -1310,16 +1316,24 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode,
                blk = *i_data;
                if (level > 0) {
                        ext4_lblk_t first2;
+                       ext4_lblk_t count2;
+
                        bh = sb_bread(inode->i_sb, le32_to_cpu(blk));
                        if (!bh) {
                                EXT4_ERROR_INODE_BLOCK(inode, le32_to_cpu(blk),
                                                       "Read failure");
                                return -EIO;
                        }
-                       first2 = (first > offset) ? first - offset : 0;
+                       if (first > offset) {
+                               first2 = first - offset;
+                               count2 = count;
+                       } else {
+                               first2 = 0;
+                               count2 = count - (offset - first);
+                       }
                        ret = free_hole_blocks(handle, inode, bh,
                                               (__le32 *)bh->b_data, level - 1,
-                                              first2, count - offset,
+                                              first2, count2,
                                               inode->i_sb->s_blocksize >> 2);
                        if (ret) {
                                brelse(bh);
@@ -1329,8 +1343,8 @@ static int free_hole_blocks(handle_t *handle, struct inode *inode,
                if (level == 0 ||
                    (bh && all_zeroes((__le32 *)bh->b_data,
                                      (__le32 *)bh->b_data + addr_per_block))) {
-                       ext4_free_data(handle, inode, parent_bh, &blk, &blk+1);
-                       *i_data = 0;
+                       ext4_free_data(handle, inode, parent_bh,
+                                      i_data, i_data + 1);
                }
                brelse(bh);
                bh = NULL;
index 59e31622cc6ef41cdd8474d47e43e1e634da676a..7f72f50a8fa764e80a91cfaea969297f65a8b615 100644 (file)
@@ -722,6 +722,7 @@ void ext4_mb_generate_buddy(struct super_block *sb,
                                void *buddy, void *bitmap, ext4_group_t group)
 {
        struct ext4_group_info *grp = ext4_get_group_info(sb, group);
+       struct ext4_sb_info *sbi = EXT4_SB(sb);
        ext4_grpblk_t max = EXT4_CLUSTERS_PER_GROUP(sb);
        ext4_grpblk_t i = 0;
        ext4_grpblk_t first;
@@ -759,6 +760,9 @@ void ext4_mb_generate_buddy(struct super_block *sb,
                 * corrupt and update bb_free using bitmap value
                 */
                grp->bb_free = free;
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(grp))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          grp->bb_free);
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT, &grp->bb_state);
        }
        mb_set_largest_free_order(sb, grp);
@@ -1431,6 +1435,7 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
                right_is_free = !mb_test_bit(last + 1, e4b->bd_bitmap);
 
        if (unlikely(block != -1)) {
+               struct ext4_sb_info *sbi = EXT4_SB(sb);
                ext4_fsblk_t blocknr;
 
                blocknr = ext4_group_first_block_no(sb, e4b->bd_group);
@@ -1441,6 +1446,9 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
                                      "freeing already freed block "
                                      "(bit %u); block bitmap corrupt.",
                                      block);
+               if (!EXT4_MB_GRP_BBITMAP_CORRUPT(e4b->bd_info))
+                       percpu_counter_sub(&sbi->s_freeclusters_counter,
+                                          e4b->bd_info->bb_free);
                /* Mark the block group as corrupt. */
                set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT,
                        &e4b->bd_info->bb_state);
index e3d37f607f975dd06f6c9534b2dc929c3fa5fa21..d895b4b7b66116f47ef68ed6ef5b3d46d31980ab 100644 (file)
@@ -39,6 +39,19 @@ struct kernfs_open_node {
        struct list_head        files; /* goes through kernfs_open_file.list */
 };
 
+/*
+ * kernfs_notify() may be called from any context and bounces notifications
+ * through a work item.  To minimize space overhead in kernfs_node, the
+ * pending queue is implemented as a singly linked list of kernfs_nodes.
+ * The list is terminated with the self pointer so that whether a
+ * kernfs_node is on the list or not can be determined by testing the next
+ * pointer for NULL.
+ */
+#define KERNFS_NOTIFY_EOL                      ((void *)&kernfs_notify_list)
+
+static DEFINE_SPINLOCK(kernfs_notify_lock);
+static struct kernfs_node *kernfs_notify_list = KERNFS_NOTIFY_EOL;
+
 static struct kernfs_open_file *kernfs_of(struct file *file)
 {
        return ((struct seq_file *)file->private_data)->private;
@@ -783,24 +796,25 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait)
        return DEFAULT_POLLMASK|POLLERR|POLLPRI;
 }
 
-/**
- * kernfs_notify - notify a kernfs file
- * @kn: file to notify
- *
- * Notify @kn such that poll(2) on @kn wakes up.
- */
-void kernfs_notify(struct kernfs_node *kn)
+static void kernfs_notify_workfn(struct work_struct *work)
 {
-       struct kernfs_root *root = kernfs_root(kn);
+       struct kernfs_node *kn;
        struct kernfs_open_node *on;
        struct kernfs_super_info *info;
-       unsigned long flags;
-
-       if (WARN_ON(kernfs_type(kn) != KERNFS_FILE))
+repeat:
+       /* pop one off the notify_list */
+       spin_lock_irq(&kernfs_notify_lock);
+       kn = kernfs_notify_list;
+       if (kn == KERNFS_NOTIFY_EOL) {
+               spin_unlock_irq(&kernfs_notify_lock);
                return;
+       }
+       kernfs_notify_list = kn->attr.notify_next;
+       kn->attr.notify_next = NULL;
+       spin_unlock_irq(&kernfs_notify_lock);
 
        /* kick poll */
-       spin_lock_irqsave(&kernfs_open_node_lock, flags);
+       spin_lock_irq(&kernfs_open_node_lock);
 
        on = kn->attr.open;
        if (on) {
@@ -808,12 +822,12 @@ void kernfs_notify(struct kernfs_node *kn)
                wake_up_interruptible(&on->poll);
        }
 
-       spin_unlock_irqrestore(&kernfs_open_node_lock, flags);
+       spin_unlock_irq(&kernfs_open_node_lock);
 
        /* kick fsnotify */
        mutex_lock(&kernfs_mutex);
 
-       list_for_each_entry(info, &root->supers, node) {
+       list_for_each_entry(info, &kernfs_root(kn)->supers, node) {
                struct inode *inode;
                struct dentry *dentry;
 
@@ -833,6 +847,33 @@ void kernfs_notify(struct kernfs_node *kn)
        }
 
        mutex_unlock(&kernfs_mutex);
+       kernfs_put(kn);
+       goto repeat;
+}
+
+/**
+ * kernfs_notify - notify a kernfs file
+ * @kn: file to notify
+ *
+ * Notify @kn such that poll(2) on @kn wakes up.  Maybe be called from any
+ * context.
+ */
+void kernfs_notify(struct kernfs_node *kn)
+{
+       static DECLARE_WORK(kernfs_notify_work, kernfs_notify_workfn);
+       unsigned long flags;
+
+       if (WARN_ON(kernfs_type(kn) != KERNFS_FILE))
+               return;
+
+       spin_lock_irqsave(&kernfs_notify_lock, flags);
+       if (!kn->attr.notify_next) {
+               kernfs_get(kn);
+               kn->attr.notify_next = kernfs_notify_list;
+               kernfs_notify_list = kn;
+               schedule_work(&kernfs_notify_work);
+       }
+       spin_unlock_irqrestore(&kernfs_notify_lock, flags);
 }
 EXPORT_SYMBOL_GPL(kernfs_notify);
 
index bf166e388f0d4cb8b8826698df51fe759aa6f99f..187477ded6b334c8be0196949cf0e7f40c16b40d 100644 (file)
@@ -73,6 +73,7 @@
 #include <linux/mbcache.h>
 #include <linux/init.h>
 #include <linux/blockgroup_lock.h>
+#include <linux/log2.h>
 
 #ifdef MB_CACHE_DEBUG
 # define mb_debug(f...) do { \
@@ -93,7 +94,7 @@
 
 #define MB_CACHE_WRITER ((unsigned short)~0U >> 1)
 
-#define MB_CACHE_ENTRY_LOCK_BITS       __builtin_log2(NR_BG_LOCKS)
+#define MB_CACHE_ENTRY_LOCK_BITS       ilog2(NR_BG_LOCKS)
 #define        MB_CACHE_ENTRY_LOCK_INDEX(ce)                   \
        (hash_long((unsigned long)ce, MB_CACHE_ENTRY_LOCK_BITS))
 
index 6851b003f2a431455e4c7aa1bf3e78d9df4eaa14..8f029db5d271d6c77e6bf22a3cf3e3924ce27f08 100644 (file)
@@ -617,15 +617,6 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 
        switch (create->cr_type) {
        case NF4LNK:
-               /* ugh! we have to null-terminate the linktext, or
-                * vfs_symlink() will choke.  it is always safe to
-                * null-terminate by brute force, since at worst we
-                * will overwrite the first byte of the create namelen
-                * in the XDR buffer, which has already been extracted
-                * during XDR decode.
-                */
-               create->cr_linkname[create->cr_linklen] = 0;
-
                status = nfsd_symlink(rqstp, &cstate->current_fh,
                                      create->cr_name, create->cr_namelen,
                                      create->cr_linkname, create->cr_linklen,
index 83baf2bfe9e9c54642c738435fc771704c9fec3d..2fc7abebeb9b97e4192f04311f06752c4de92d79 100644 (file)
@@ -600,7 +600,18 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create
                READ_BUF(4);
                create->cr_linklen = be32_to_cpup(p++);
                READ_BUF(create->cr_linklen);
-               SAVEMEM(create->cr_linkname, create->cr_linklen);
+               /*
+                * The VFS will want a null-terminated string, and
+                * null-terminating in place isn't safe since this might
+                * end on a page boundary:
+                */
+               create->cr_linkname =
+                               kmalloc(create->cr_linklen + 1, GFP_KERNEL);
+               if (!create->cr_linkname)
+                       return nfserr_jukebox;
+               memcpy(create->cr_linkname, p, create->cr_linklen);
+               create->cr_linkname[create->cr_linklen] = '\0';
+               defer_free(argp, kfree, create->cr_linkname);
                break;
        case NF4BLK:
        case NF4CHR:
@@ -3267,7 +3278,7 @@ nfsd4_encode_readlink(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd
 
        wire_count = htonl(maxcount);
        write_bytes_to_xdr_buf(xdr->buf, length_offset, &wire_count, 4);
-       xdr_truncate_encode(xdr, length_offset + 4 + maxcount);
+       xdr_truncate_encode(xdr, length_offset + 4 + ALIGN(maxcount, 4));
        if (maxcount & 3)
                write_bytes_to_xdr_buf(xdr->buf, length_offset + 4 + maxcount,
                                                &zero, 4 - (maxcount&3));
index 9d231e9e5f0ef48cd7ef372437d85fbf9b8cbc2e..bf2d03f8fd3e1ae6fec98e5bd7f81bb1410bf6dd 100644 (file)
@@ -184,29 +184,11 @@ static int show_stat(struct seq_file *p, void *v)
 
 static int stat_open(struct inode *inode, struct file *file)
 {
-       size_t size = 1024 + 128 * num_possible_cpus();
-       char *buf;
-       struct seq_file *m;
-       int res;
+       size_t size = 1024 + 128 * num_online_cpus();
 
        /* minimum size to display an interrupt count : 2 bytes */
        size += 2 * nr_irqs;
-
-       /* don't ask for more than the kmalloc() max size */
-       if (size > KMALLOC_MAX_SIZE)
-               size = KMALLOC_MAX_SIZE;
-       buf = kmalloc(size, GFP_KERNEL);
-       if (!buf)
-               return -ENOMEM;
-
-       res = single_open(file, show_stat, NULL);
-       if (!res) {
-               m = file->private_data;
-               m->buf = buf;
-               m->size = ksize(buf);
-       } else
-               kfree(buf);
-       return res;
+       return single_open_size(file, show_stat, NULL, size);
 }
 
 static const struct file_operations proc_stat_operations = {
index 1d641bb108d239f2476d862f0ce9e366c299762c..3857b720cb1b258a3964ae4a3557094087eaa2ed 100644 (file)
@@ -8,8 +8,10 @@
 #include <linux/fs.h>
 #include <linux/export.h>
 #include <linux/seq_file.h>
+#include <linux/vmalloc.h>
 #include <linux/slab.h>
 #include <linux/cred.h>
+#include <linux/mm.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
@@ -30,6 +32,16 @@ static void seq_set_overflow(struct seq_file *m)
        m->count = m->size;
 }
 
+static void *seq_buf_alloc(unsigned long size)
+{
+       void *buf;
+
+       buf = kmalloc(size, GFP_KERNEL | __GFP_NOWARN);
+       if (!buf && size > PAGE_SIZE)
+               buf = vmalloc(size);
+       return buf;
+}
+
 /**
  *     seq_open -      initialize sequential file
  *     @file: file we initialize
@@ -96,7 +108,7 @@ static int traverse(struct seq_file *m, loff_t offset)
                return 0;
        }
        if (!m->buf) {
-               m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
+               m->buf = seq_buf_alloc(m->size = PAGE_SIZE);
                if (!m->buf)
                        return -ENOMEM;
        }
@@ -135,9 +147,9 @@ static int traverse(struct seq_file *m, loff_t offset)
 
 Eoverflow:
        m->op->stop(m, p);
-       kfree(m->buf);
+       kvfree(m->buf);
        m->count = 0;
-       m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
+       m->buf = seq_buf_alloc(m->size <<= 1);
        return !m->buf ? -ENOMEM : -EAGAIN;
 }
 
@@ -192,7 +204,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
 
        /* grab buffer if we didn't have one */
        if (!m->buf) {
-               m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL);
+               m->buf = seq_buf_alloc(m->size = PAGE_SIZE);
                if (!m->buf)
                        goto Enomem;
        }
@@ -232,9 +244,9 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos)
                if (m->count < m->size)
                        goto Fill;
                m->op->stop(m, p);
-               kfree(m->buf);
+               kvfree(m->buf);
                m->count = 0;
-               m->buf = kmalloc(m->size <<= 1, GFP_KERNEL);
+               m->buf = seq_buf_alloc(m->size <<= 1);
                if (!m->buf)
                        goto Enomem;
                m->version = 0;
@@ -350,7 +362,7 @@ EXPORT_SYMBOL(seq_lseek);
 int seq_release(struct inode *inode, struct file *file)
 {
        struct seq_file *m = file->private_data;
-       kfree(m->buf);
+       kvfree(m->buf);
        kfree(m);
        return 0;
 }
@@ -605,13 +617,13 @@ EXPORT_SYMBOL(single_open);
 int single_open_size(struct file *file, int (*show)(struct seq_file *, void *),
                void *data, size_t size)
 {
-       char *buf = kmalloc(size, GFP_KERNEL);
+       char *buf = seq_buf_alloc(size);
        int ret;
        if (!buf)
                return -ENOMEM;
        ret = single_open(file, show, data);
        if (ret) {
-               kfree(buf);
+               kvfree(buf);
                return ret;
        }
        ((struct seq_file *)file->private_data)->buf = buf;
index 2baba99960948d8fd9eac0cb1a9ea217fe511843..baa6f11b1837408ed2e1130d87a8bc269fc7ce4c 100644 (file)
@@ -32,5 +32,6 @@
 /* For use by hda_i915 driver */
 extern int i915_request_power_well(void);
 extern int i915_release_power_well(void);
+extern int i915_get_cdclk_freq(void);
 
 #endif                         /* _I915_POWERWELL_H_ */
index 17aa1cce6f8eaa43251dcc6e0f42e511198d8cbb..145375ea0bd9912742e0d75607a472a301a84e29 100644 (file)
@@ -91,6 +91,7 @@ struct kernfs_elem_attr {
        const struct kernfs_ops *ops;
        struct kernfs_open_node *open;
        loff_t                  size;
+       struct kernfs_node      *notify_next;   /* for kernfs_notify() */
 };
 
 /*
index 077904c8b70de8a30a7f7aa1da907f517c8cbe5e..cc79eff4a1adbbf1d9afce2d59d81b65410d7018 100644 (file)
@@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
  * calling arch_ptrace_stop() when it would be superfluous.  For example,
  * if the thread has not been back to user mode since the last stop, the
  * thread state might indicate that nothing needs to be done.
+ *
+ * This is guaranteed to be invoked once before a task stops for ptrace and
+ * may include arch-specific operations necessary prior to a ptrace stop.
  */
 #define arch_ptrace_stop_needed(code, info)    (0)
 #endif
index 1a64b26046ed61e854d3c6c2dcafa256aca50c69..9b7de1b4643775c7501c613e454a64c1c4e209d6 100644 (file)
@@ -70,7 +70,9 @@
        US_FLAG(NEEDS_CAP16,    0x00400000)                     \
                /* cannot handle READ_CAPACITY_10 */            \
        US_FLAG(IGNORE_UAS,     0x00800000)                     \
-               /* Device advertises UAS but it is broken */
+               /* Device advertises UAS but it is broken */    \
+       US_FLAG(BROKEN_FUA,     0x01000000)                     \
+               /* Cannot handle FUA in WRITE or READ CDBs */   \
 
 #define US_FLAG(name, value)   US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };
index 5853c913d2b0bbd481b0c18dbc23bf015a45962c..27ab31017f0901af5f3446003a1ec27dfa44a793 100644 (file)
@@ -173,6 +173,7 @@ struct scsi_device {
        unsigned is_visible:1;  /* is the device visible in sysfs */
        unsigned wce_default_on:1;      /* Cache is ON by default */
        unsigned no_dif:1;      /* T10 PI (DIF) should be disabled */
+       unsigned broken_fua:1;          /* Don't set FUA bit */
 
        atomic_t disk_events_disable_depth; /* disable depth for disk events */
 
index 6f9c38ce45c7d89ff7564bfb6a911eb1683ac00b..2f47824e7a3605fdb8741e15b4bf073b9048195e 100644 (file)
@@ -38,6 +38,7 @@ struct btrfs_ioctl_vol_args {
 #define BTRFS_SUBVOL_QGROUP_INHERIT    (1ULL << 2)
 #define BTRFS_FSID_SIZE 16
 #define BTRFS_UUID_SIZE 16
+#define BTRFS_UUID_UNPARSED_SIZE       37
 
 #define BTRFS_QGROUP_INHERIT_SET_LIMITS        (1ULL << 0)
 
index 2a4b4a72a4f915ee0c0e16db893713bc622359db..24b68c59dcf85363b3bad8853392ae8a51112025 100644 (file)
@@ -33,6 +33,13 @@ struct usb_endpoint_descriptor_no_audio {
        __u8  bInterval;
 } __attribute__((packed));
 
+/* Legacy format, deprecated as of 3.14. */
+struct usb_functionfs_descs_head {
+       __le32 magic;
+       __le32 length;
+       __le32 fs_count;
+       __le32 hs_count;
+} __attribute__((packed, deprecated));
 
 /*
  * Descriptors format:
index c445e392e93ff1a977f2f61ca25dc69de7e61bcc..6f3254e8c13750133db07340c1a07f173da683bf 100644 (file)
@@ -846,7 +846,7 @@ static void __uprobe_unregister(struct uprobe *uprobe, struct uprobe_consumer *u
 {
        int err;
 
-       if (!consumer_del(uprobe, uc))  /* WARN? */
+       if (WARN_ON(!consumer_del(uprobe, uc)))
                return;
 
        err = register_for_each_vma(uprobe, NULL);
@@ -927,7 +927,7 @@ int uprobe_apply(struct inode *inode, loff_t offset,
        int ret = -ENOENT;
 
        uprobe = find_uprobe(inode, offset);
-       if (!uprobe)
+       if (WARN_ON(!uprobe))
                return ret;
 
        down_write(&uprobe->register_rwsem);
@@ -952,7 +952,7 @@ void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consume
        struct uprobe *uprobe;
 
        uprobe = find_uprobe(inode, offset);
-       if (!uprobe)
+       if (WARN_ON(!uprobe))
                return;
 
        down_write(&uprobe->register_rwsem);
index ea2d5f6962edd7d7530c0e5766ea3517d5515e25..13e839dbca07ea72fb06d0b5ecbb97379c4a7f57 100644 (file)
@@ -1416,9 +1416,10 @@ static int have_callable_console(void)
 /*
  * Can we actually use the console at this time on this cpu?
  *
- * Console drivers may assume that per-cpu resources have been allocated. So
- * unless they're explicitly marked as being able to cope (CON_ANYTIME) don't
- * call them until this CPU is officially up.
+ * Console drivers may assume that per-cpu resources have
+ * been allocated. So unless they're explicitly marked as
+ * being able to cope (CON_ANYTIME) don't call them until
+ * this CPU is officially up.
  */
 static inline int can_use_console(unsigned int cpu)
 {
@@ -1431,10 +1432,8 @@ static inline int can_use_console(unsigned int cpu)
  * console_lock held, and 'console_locked' set) if it
  * is successful, false otherwise.
  */
-static int console_trylock_for_printk(void)
+static int console_trylock_for_printk(unsigned int cpu)
 {
-       unsigned int cpu = smp_processor_id();
-
        if (!console_trylock())
                return 0;
        /*
@@ -1609,8 +1608,7 @@ asmlinkage int vprintk_emit(int facility, int level,
                 */
                if (!oops_in_progress && !lockdep_recursing(current)) {
                        recursion_bug = 1;
-                       local_irq_restore(flags);
-                       return 0;
+                       goto out_restore_irqs;
                }
                zap_locks();
        }
@@ -1718,27 +1716,21 @@ asmlinkage int vprintk_emit(int facility, int level,
 
        logbuf_cpu = UINT_MAX;
        raw_spin_unlock(&logbuf_lock);
-       lockdep_on();
-       local_irq_restore(flags);
 
        /* If called from the scheduler, we can not call up(). */
-       if (in_sched)
-               return printed_len;
-
-       /*
-        * Disable preemption to avoid being preempted while holding
-        * console_sem which would prevent anyone from printing to console
-        */
-       preempt_disable();
-       /*
-        * Try to acquire and then immediately release the console semaphore.
-        * The release will print out buffers and wake up /dev/kmsg and syslog()
-        * users.
-        */
-       if (console_trylock_for_printk())
-               console_unlock();
-       preempt_enable();
+       if (!in_sched) {
+               /*
+                * Try to acquire and then immediately release the console
+                * semaphore.  The release will print out buffers and wake up
+                * /dev/kmsg and syslog() users.
+                */
+               if (console_trylock_for_printk(this_cpu))
+                       console_unlock();
+       }
 
+       lockdep_on();
+out_restore_irqs:
+       local_irq_restore(flags);
        return printed_len;
 }
 EXPORT_SYMBOL(vprintk_emit);
index 384ede3117172fa9e6582ead5c479f42c8f98590..f243444a37729ae5c17ee0654b2b606acfedaae7 100644 (file)
@@ -1396,7 +1396,6 @@ void tracing_start(void)
 
        arch_spin_unlock(&global_trace.max_lock);
 
-       ftrace_start();
  out:
        raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);
 }
@@ -1443,7 +1442,6 @@ void tracing_stop(void)
        struct ring_buffer *buffer;
        unsigned long flags;
 
-       ftrace_stop();
        raw_spin_lock_irqsave(&global_trace.start_lock, flags);
        if (global_trace.stop_count++)
                goto out;
index 04fdb5de823c5db150aa8d15f82e2b70acb34060..3c9b97e6b1f41b9fd3f0b45c1d073029013138fa 100644 (file)
@@ -893,6 +893,9 @@ probe_event_enable(struct trace_uprobe *tu, struct ftrace_event_file *file,
        int ret;
 
        if (file) {
+               if (tu->tp.flags & TP_FLAG_PROFILE)
+                       return -EINTR;
+
                link = kmalloc(sizeof(*link), GFP_KERNEL);
                if (!link)
                        return -ENOMEM;
@@ -901,29 +904,40 @@ probe_event_enable(struct trace_uprobe *tu, struct ftrace_event_file *file,
                list_add_tail_rcu(&link->list, &tu->tp.files);
 
                tu->tp.flags |= TP_FLAG_TRACE;
-       } else
-               tu->tp.flags |= TP_FLAG_PROFILE;
+       } else {
+               if (tu->tp.flags & TP_FLAG_TRACE)
+                       return -EINTR;
 
-       ret = uprobe_buffer_enable();
-       if (ret < 0)
-               return ret;
+               tu->tp.flags |= TP_FLAG_PROFILE;
+       }
 
        WARN_ON(!uprobe_filter_is_empty(&tu->filter));
 
        if (enabled)
                return 0;
 
+       ret = uprobe_buffer_enable();
+       if (ret)
+               goto err_flags;
+
        tu->consumer.filter = filter;
        ret = uprobe_register(tu->inode, tu->offset, &tu->consumer);
-       if (ret) {
-               if (file) {
-                       list_del(&link->list);
-                       kfree(link);
-                       tu->tp.flags &= ~TP_FLAG_TRACE;
-               } else
-                       tu->tp.flags &= ~TP_FLAG_PROFILE;
-       }
+       if (ret)
+               goto err_buffer;
 
+       return 0;
+
+ err_buffer:
+       uprobe_buffer_disable();
+
+ err_flags:
+       if (file) {
+               list_del(&link->list);
+               kfree(link);
+               tu->tp.flags &= ~TP_FLAG_TRACE;
+       } else {
+               tu->tp.flags &= ~TP_FLAG_PROFILE;
+       }
        return ret;
 }
 
@@ -1201,12 +1215,6 @@ static int uprobe_dispatcher(struct uprobe_consumer *con, struct pt_regs *regs)
 
        current->utask->vaddr = (unsigned long) &udd;
 
-#ifdef CONFIG_PERF_EVENTS
-       if ((tu->tp.flags & TP_FLAG_TRACE) == 0 &&
-           !uprobe_perf_filter(&tu->consumer, 0, current->mm))
-               return UPROBE_HANDLER_REMOVE;
-#endif
-
        if (WARN_ON_ONCE(!uprobe_cpu_buffer))
                return 0;
 
index b74da447e81e1fb28a656abe6359d33d49535765..7a85967060a518a43c5da9125a03d701ab892304 100644 (file)
@@ -192,6 +192,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
                        int s = 255;
                        while ((ip < iend) && (s == 255)) {
                                s = *ip++;
+                               if (unlikely(length > (size_t)(length + s)))
+                                       goto _output_error;
                                length += s;
                        }
                }
@@ -232,6 +234,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
                if (length == ML_MASK) {
                        while (ip < iend) {
                                int s = *ip++;
+                               if (unlikely(length > (size_t)(length + s)))
+                                       goto _output_error;
                                length += s;
                                if (s == 255)
                                        continue;
@@ -284,7 +288,7 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest,
 
        /* write overflow error detected */
 _output_error:
-       return (int) (-(((char *) ip) - source));
+       return -1;
 }
 
 int lz4_decompress(const unsigned char *src, size_t *src_len,
index cd8989c1027ea6e2446af6ff148b5a947c8cbc0f..c6399e32893178b835457388371e8e4f85512361 100644 (file)
@@ -895,7 +895,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn,
        struct page *hpage = *hpagep;
        struct page *ppage;
 
-       if (PageReserved(p) || PageSlab(p))
+       if (PageReserved(p) || PageSlab(p) || !PageLRU(p))
                return SWAP_SUCCESS;
 
        /*
@@ -1159,9 +1159,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
                                        action_result(pfn, "free buddy, 2nd try", DELAYED);
                                return 0;
                        }
-                       action_result(pfn, "non LRU", IGNORED);
-                       put_page(p);
-                       return -EBUSY;
                }
        }
 
@@ -1194,6 +1191,9 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
                return 0;
        }
 
+       if (!PageHuge(p) && !PageTransTail(p) && !PageLRU(p))
+               goto identify_page_state;
+
        /*
         * For error on the tail page, we should set PG_hwpoison
         * on the head page to show that the hugepage is hwpoisoned
@@ -1243,6 +1243,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
                goto out;
        }
 
+identify_page_state:
        res = -EBUSY;
        /*
         * The first check uses the current page flags which may not have any
index a5c673669ca654b8ca1c1e8508e511345484bb27..992a1673d488dbbb38aa506c15eb0533f553ed4a 100644 (file)
@@ -78,7 +78,8 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
                        goto out_unlock;
                }
                file = vma->vm_file;
-               fstart = start + ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
+               fstart = (start - vma->vm_start) +
+                        ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
                fend = fstart + (min(end, vma->vm_end) - start) - 1;
                start = vma->vm_end;
                if ((flags & MS_SYNC) && file &&
index 20d17f8266fed9e482055c5c68034b8149f3329c..0ea758b898fdae74dbe5bf414b8995c4c944e7b3 100644 (file)
@@ -816,9 +816,21 @@ void __init init_cma_reserved_pageblock(struct page *page)
                set_page_count(p, 0);
        } while (++p, --i);
 
-       set_page_refcounted(page);
        set_pageblock_migratetype(page, MIGRATE_CMA);
-       __free_pages(page, pageblock_order);
+
+       if (pageblock_order >= MAX_ORDER) {
+               i = pageblock_nr_pages;
+               p = page;
+               do {
+                       set_page_refcounted(p);
+                       __free_pages(p, MAX_ORDER - 1);
+                       p += MAX_ORDER_NR_PAGES;
+               } while (i -= MAX_ORDER_NR_PAGES);
+       } else {
+               set_page_refcounted(page);
+               __free_pages(page, pageblock_order);
+       }
+
        adjust_managed_page_count(page, pageblock_nr_pages);
 }
 #endif
index 8f419cff9e3451fa3b4a98026d332d45ae80ea86..1140f49b6ded6f7a72d89d2e89f9fce0df1a940d 100644 (file)
@@ -1029,6 +1029,9 @@ repeat:
                goto failed;
        }
 
+       if (page && sgp == SGP_WRITE)
+               mark_page_accessed(page);
+
        /* fallocated page? */
        if (page && !PageUptodate(page)) {
                if (sgp != SGP_READ)
@@ -1110,6 +1113,9 @@ repeat:
                shmem_recalc_inode(inode);
                spin_unlock(&info->lock);
 
+               if (sgp == SGP_WRITE)
+                       mark_page_accessed(page);
+
                delete_from_swap_cache(page);
                set_page_dirty(page);
                swap_free(swap);
@@ -1136,6 +1142,9 @@ repeat:
 
                __SetPageSwapBacked(page);
                __set_page_locked(page);
+               if (sgp == SGP_WRITE)
+                       init_page_accessed(page);
+
                error = mem_cgroup_charge_file(page, current->mm,
                                                gfp & GFP_RECLAIM_MASK);
                if (error)
@@ -1412,13 +1421,9 @@ shmem_write_begin(struct file *file, struct address_space *mapping,
                        loff_t pos, unsigned len, unsigned flags,
                        struct page **pagep, void **fsdata)
 {
-       int ret;
        struct inode *inode = mapping->host;
        pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-       ret = shmem_getpage(inode, index, pagep, SGP_WRITE, NULL);
-       if (ret == 0 && *pagep)
-               init_page_accessed(*pagep);
-       return ret;
+       return shmem_getpage(inode, index, pagep, SGP_WRITE, NULL);
 }
 
 static int
index b2b047327d761a46802377b407d992ace14358bc..73004808537ea841e05c85e0b68312ea645eb114 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1881,7 +1881,7 @@ redo:
 
        new.frozen = 0;
 
-       if (!new.inuse && n->nr_partial > s->min_partial)
+       if (!new.inuse && n->nr_partial >= s->min_partial)
                m = M_FREE;
        else if (new.freelist) {
                m = M_PARTIAL;
@@ -1992,7 +1992,7 @@ static void unfreeze_partials(struct kmem_cache *s,
                                new.freelist, new.counters,
                                "unfreezing slab"));
 
-               if (unlikely(!new.inuse && n->nr_partial > s->min_partial)) {
+               if (unlikely(!new.inuse && n->nr_partial >= s->min_partial)) {
                        page->next = discard_page;
                        discard_page = page;
                } else {
@@ -2620,7 +2620,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
                 return;
         }
 
-       if (unlikely(!new.inuse && n->nr_partial > s->min_partial))
+       if (unlikely(!new.inuse && n->nr_partial >= s->min_partial))
                goto slab_empty;
 
        /*
index e9e8a4a4a9a14bd003a3a5d806405744262096ff..8b4940ba33d69ddcbc11fb35a080580b91edd70b 100644 (file)
 #include <linux/module.h>
 #include <sound/core.h>
 #include <drm/i915_powerwell.h>
+#include "hda_priv.h"
 #include "hda_i915.h"
 
+/* Intel HSW/BDW display HDA controller Extended Mode registers.
+ * EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display
+ * Clock) to 24MHz BCLK: BCLK = CDCLK * M / N
+ * The values will be lost when the display power well is disabled.
+ */
+#define ICH6_REG_EM4                   0x100c
+#define ICH6_REG_EM5                   0x1010
+
 static int (*get_power)(void);
 static int (*put_power)(void);
+static int (*get_cdclk)(void);
 
 int hda_display_power(bool enable)
 {
@@ -38,6 +48,43 @@ int hda_display_power(bool enable)
                return put_power();
 }
 
+void haswell_set_bclk(struct azx *chip)
+{
+       int cdclk_freq;
+       unsigned int bclk_m, bclk_n;
+
+       if (!get_cdclk)
+               return;
+
+       cdclk_freq = get_cdclk();
+       switch (cdclk_freq) {
+       case 337500:
+               bclk_m = 16;
+               bclk_n = 225;
+               break;
+
+       case 450000:
+       default: /* default CDCLK 450MHz */
+               bclk_m = 4;
+               bclk_n = 75;
+               break;
+
+       case 540000:
+               bclk_m = 4;
+               bclk_n = 90;
+               break;
+
+       case 675000:
+               bclk_m = 8;
+               bclk_n = 225;
+               break;
+       }
+
+       azx_writew(chip, EM4, bclk_m);
+       azx_writew(chip, EM5, bclk_n);
+}
+
+
 int hda_i915_init(void)
 {
        int err = 0;
@@ -55,6 +102,10 @@ int hda_i915_init(void)
                return -ENODEV;
        }
 
+       get_cdclk = symbol_request(i915_get_cdclk_freq);
+       if (!get_cdclk) /* may have abnormal BCLK and audio playback rate */
+               pr_warn("hda-i915: get_cdclk symbol get fail\n");
+
        pr_debug("HDA driver get symbol successfully from i915 module\n");
 
        return err;
@@ -70,6 +121,10 @@ int hda_i915_exit(void)
                symbol_put(i915_release_power_well);
                put_power = NULL;
        }
+       if (get_cdclk) {
+               symbol_put(i915_get_cdclk_freq);
+               get_cdclk = NULL;
+       }
 
        return 0;
 }
index bfd835f8f1aa75683cc33da612c64d22ab478b31..e6072c62758387a2f388b96943bfa63c19807004 100644 (file)
 
 #ifdef CONFIG_SND_HDA_I915
 int hda_display_power(bool enable);
+void haswell_set_bclk(struct azx *chip);
 int hda_i915_init(void);
 int hda_i915_exit(void);
 #else
 static inline int hda_display_power(bool enable) { return 0; }
+static inline void haswell_set_bclk(struct azx *chip) { return; }
 static inline int hda_i915_init(void)
 {
        return -ENODEV;
index 25753db9707127296cbab489492d578a249a4f0a..b6b4e71a0b0bdfb7dbeab0c1b57662a447ca8f90 100644 (file)
@@ -62,9 +62,9 @@
 #include <linux/vga_switcheroo.h>
 #include <linux/firmware.h>
 #include "hda_codec.h"
-#include "hda_i915.h"
 #include "hda_controller.h"
 #include "hda_priv.h"
+#include "hda_i915.h"
 
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
@@ -288,21 +288,8 @@ static char *driver_short_names[] = {
        [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
 };
 
-
-/* Intel HSW/BDW display HDA controller Extended Mode registers.
- * EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display
- * Clock) to 24MHz BCLK: BCLK = CDCLK * M / N
- * The values will be lost when the display power well is disabled.
- */
-#define ICH6_REG_EM4                   0x100c
-#define ICH6_REG_EM5                   0x1010
-
 struct hda_intel {
        struct azx chip;
-
-       /* HSW/BDW display HDA controller to restore BCLK from CDCLK */
-       unsigned int bclk_m;
-       unsigned int bclk_n;
 };
 
 
@@ -598,22 +585,6 @@ static int param_set_xint(const char *val, const struct kernel_param *kp)
 #define azx_del_card_list(chip) /* NOP */
 #endif /* CONFIG_PM */
 
-static void haswell_save_bclk(struct azx *chip)
-{
-       struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
-
-       hda->bclk_m = azx_readw(chip, EM4);
-       hda->bclk_n = azx_readw(chip, EM5);
-}
-
-static void haswell_restore_bclk(struct azx *chip)
-{
-       struct hda_intel *hda = container_of(chip, struct hda_intel, chip);
-
-       azx_writew(chip, EM4, hda->bclk_m);
-       azx_writew(chip, EM5, hda->bclk_n);
-}
-
 #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO)
 /*
  * power management
@@ -641,12 +612,6 @@ static int azx_suspend(struct device *dev)
                chip->irq = -1;
        }
 
-       /* Save BCLK M/N values before they become invalid in D3.
-        * Will test if display power well can be released now.
-        */
-       if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
-               haswell_save_bclk(chip);
-
        if (chip->msi)
                pci_disable_msi(chip->pci);
        pci_disable_device(pci);
@@ -668,7 +633,7 @@ static int azx_resume(struct device *dev)
 
        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
                hda_display_power(true);
-               haswell_restore_bclk(chip);
+               haswell_set_bclk(chip);
        }
        pci_set_power_state(pci, PCI_D0);
        pci_restore_state(pci);
@@ -713,10 +678,9 @@ static int azx_runtime_suspend(struct device *dev)
        azx_stop_chip(chip);
        azx_enter_link_reset(chip);
        azx_clear_irq_pending(chip);
-       if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
-               haswell_save_bclk(chip);
+       if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
                hda_display_power(false);
-       }
+
        return 0;
 }
 
@@ -736,7 +700,7 @@ static int azx_runtime_resume(struct device *dev)
 
        if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
                hda_display_power(true);
-               haswell_restore_bclk(chip);
+               haswell_set_bclk(chip);
        }
 
        /* Read STATESTS before controller reset */
@@ -1426,6 +1390,10 @@ static int azx_first_init(struct azx *chip)
 
        /* initialize chip */
        azx_init_pci(chip);
+
+       if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+               haswell_set_bclk(chip);
+
        azx_init_chip(chip, (probe_only[dev] & 2) == 0);
 
        /* codec detection */
index 1c654effcd1a8c2c60d7a2a6dfcbe52b166ea373..b60824e904080c7bd2995d2d94ab1ba6416ec70d 100644 (file)
@@ -4880,6 +4880,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK),
+       SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
        SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
        SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
@@ -5085,6 +5086,18 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
                {0x1b, 0x411111f0},
                {0x1d, 0x40700001},
                {0x1e, 0x411111f0}),
+       SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
+               {0x12, 0x40000000},
+               {0x13, 0x90a60140},
+               {0x14, 0x90170110},
+               {0x15, 0x0221401f},
+               {0x16, 0x411111f0},
+               {0x18, 0x411111f0},
+               {0x19, 0x411111f0},
+               {0x1a, 0x411111f0},
+               {0x1b, 0x411111f0},
+               {0x1d, 0x40700001},
+               {0x1e, 0x411111f0}),
        {}
 };
 
index ae5faf9aade21b9d7690a6f423ea40907e6b2257..790c23a9db44f284c399a9770d5ed61daa254b35 100644 (file)
@@ -1,6 +1,6 @@
 all:
 
 run_tests:
-       @/bin/sh ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]"
+       @/bin/bash ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]"
 
 clean:
index aa290c0de6f56d9e3f142d46124ee5d0688dd68d..552f0810bffb651274271aef05db718507af5605 100644 (file)
@@ -193,6 +193,11 @@ int main(int argc, char **argv)
        int msg, pid, err;
        struct msgque_data msgque;
 
+       if (getuid() != 0) {
+               printf("Please run the test as root - Exiting.\n");
+               exit(1);
+       }
+
        msgque.key = ftok(argv[0], 822155650);
        if (msgque.key == -1) {
                printf("Can't make key\n");
index 350bfeda3aa8ccd9f7e487b85d212110c848d19a..058c76f5d10261cc30e737a0891f72f516795124 100644 (file)
@@ -1,6 +1,6 @@
 all:
 
 run_tests:
-       @/bin/sh ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]"
+       @/bin/bash ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]"
 
 clean:
index fe1e66b6ef40bbb1e490edcf2476645d81b66d3f..a87e99f37c52e4239d4467c524929dd010162740 100644 (file)
@@ -116,8 +116,8 @@ static const struct {
        .header = {
                .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC),
                .length = cpu_to_le32(sizeof descriptors),
-               .fs_count = 3,
-               .hs_count = 3,
+               .fs_count = cpu_to_le32(3),
+               .hs_count = cpu_to_le32(3),
        },
        .fs_descs = {
                .intf = {