Merge branch 'pm-cpufreq'

[karo-tx-linux.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 3988d2311f9707c48b4f3dca5df1c333ef0972cf..41851d42b84d1ba89774a7c6d61c2ce9ce601f34 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -549,15 +549,6 @@
                        loops can be debugged more effectively on production
                        systems.
 
                        loops can be debugged more effectively on production
                        systems.
 

-       clocksource.arm_arch_timer.fsl-a008585=
-                       [ARM64]
-                       Format: <bool>
-                       Enable/disable the workaround of Freescale/NXP
-                       erratum A-008585.  This can be useful for KVM
-                       guests, if the guest device tree doesn't show the
-                       erratum.  If unspecified, the workaround is
-                       enabled based on the device tree.
-

        clearcpuid=BITNUM [X86]
                        Disable CPUID feature X for the kernel. See
                        arch/x86/include/asm/cpufeatures.h for the valid bit
        clearcpuid=BITNUM [X86]
                        Disable CPUID feature X for the kernel. See
                        arch/x86/include/asm/cpufeatures.h for the valid bit


@@ -969,6 +960,12 @@
                        serial port must already be setup and configured.
                        Options are not yet supported.
 
                        serial port must already be setup and configured.
                        Options are not yet supported.
 

+               lantiq,<addr>
+                       Start an early, polled-mode console on a lantiq serial
+                       (lqasc) port at the specified address. The serial port
+                       must already be setup and configured. Options are not
+                       yet supported.
+

                lpuart,<addr>
                lpuart32,<addr>
                        Use early console provided by Freescale LP UART driver
                lpuart,<addr>
                lpuart32,<addr>
                        Use early console provided by Freescale LP UART driver


@@ -982,9 +979,10 @@
                        address. The serial port must already be setup
                        and configured. Options are not yet supported.
 
                        address. The serial port must already be setup
                        and configured. Options are not yet supported.
 

-       earlyprintk=    [X86,SH,BLACKFIN,ARM,M68k]
+       earlyprintk=    [X86,SH,BLACKFIN,ARM,M68k,S390]

                        earlyprintk=vga
                        earlyprintk=efi
                        earlyprintk=vga
                        earlyprintk=efi

+                       earlyprintk=sclp

                        earlyprintk=xen
                        earlyprintk=serial[,ttySn[,baudrate]]
                        earlyprintk=serial[,0x...[,baudrate]]
                        earlyprintk=xen
                        earlyprintk=serial[,ttySn[,baudrate]]
                        earlyprintk=serial[,0x...[,baudrate]]


@@ -1019,6 +1017,8 @@
 
                        The xen output can only be used by Xen PV guests.
 
 
                        The xen output can only be used by Xen PV guests.
 

+                       The sclp output can only be used on s390.
+

        edac_report=    [HW,EDAC] Control how to report EDAC event
                        Format: {"on" | "off" | "force"}
                        on: enable EDAC to report H/W event. May be overridden
        edac_report=    [HW,EDAC] Control how to report EDAC event
                        Format: {"on" | "off" | "force"}
                        on: enable EDAC to report H/W event. May be overridden


@@ -1204,6 +1204,10 @@
                        When zero, profiling data is discarded and associated
                        debugfs files are removed at module unload time.
 
                        When zero, profiling data is discarded and associated
                        debugfs files are removed at module unload time.
 

+       goldfish        [X86] Enable the goldfish android emulator platform.
+                       Don't use this when you are not running on the
+                       android emulator
+

        gpt             [EFI] Forces disk with valid GPT signature but
                        invalid Protective MBR to be treated as GPT. If the
                        primary GPT is corrupted, it enables the backup/alternate
        gpt             [EFI] Forces disk with valid GPT signature but
                        invalid Protective MBR to be treated as GPT. If the
                        primary GPT is corrupted, it enables the backup/alternate


@@ -3281,6 +3285,13 @@
                        Lazy RCU callbacks are those which RCU can
                        prove do nothing more than free memory.
 
                        Lazy RCU callbacks are those which RCU can
                        prove do nothing more than free memory.
 

+       rcutree.rcu_kick_kthreads= [KNL]
+                       Cause the grace-period kthread to get an extra
+                       wake_up() if it sleeps three times longer than
+                       it should at force-quiescent-state time.
+                       This wake_up() will be accompanied by a
+                       WARN_ONCE() splat and an ftrace_dump().
+

        rcuperf.gp_exp= [KNL]
                        Measure performance of expedited synchronous
                        grace-period primitives.
        rcuperf.gp_exp= [KNL]
                        Measure performance of expedited synchronous
                        grace-period primitives.


@@ -3566,6 +3577,10 @@
        rhash_entries=  [KNL,NET]
                        Set number of hash buckets for route cache
 
        rhash_entries=  [KNL,NET]
                        Set number of hash buckets for route cache
 

+       ring3mwait=disable
+                       [KNL] Disable ring 3 MONITOR/MWAIT feature on supported
+                       CPUs.
+

        ro              [KNL] Mount root device read-only on boot
 
        rodata=         [KNL]
        ro              [KNL] Mount root device read-only on boot
 
        rodata=         [KNL]


@@ -3682,6 +3697,14 @@
                        last alloc / free. For more information see
                        Documentation/vm/slub.txt.
 
                        last alloc / free. For more information see
                        Documentation/vm/slub.txt.
 

+       slub_memcg_sysfs=       [MM, SLUB]
+                       Determines whether to enable sysfs directories for
+                       memory cgroup sub-caches. 1 to enable, 0 to disable.
+                       The default is determined by CONFIG_SLUB_MEMCG_SYSFS_ON.
+                       Enabling this can lead to a very high number of debug
+                       directories and files being created under
+                       /sys/kernel/slub.
+

        slub_max_order= [MM, SLUB]
                        Determines the maximum allowed order for slabs.
                        A high setting may cause OOMs due to memory
        slub_max_order= [MM, SLUB]
                        Determines the maximum allowed order for slabs.
                        A high setting may cause OOMs due to memory