From: Stephen Rothwell Date: Thu, 5 Nov 2015 04:25:04 +0000 (+1100) Subject: Merge remote-tracking branch 'y2038/y2038' X-Git-Tag: KARO-TXUL-2015-12-04~38 X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=94d67f545f7bd4535cb164df35b8b485f1d83339;hp=f5607f825f3c663fe44843fbe599cb3aebe5e2b6 Merge remote-tracking branch 'y2038/y2038' --- diff --git a/drivers/staging/gdm72xx/gdm_sdio.c b/drivers/staging/gdm72xx/gdm_sdio.c index b0521da3c793..1f5a087723ba 100644 --- a/drivers/staging/gdm72xx/gdm_sdio.c +++ b/drivers/staging/gdm72xx/gdm_sdio.c @@ -36,7 +36,7 @@ #define RX_BUF_SIZE (25*1024) #define TX_HZ 2000 -#define TX_INTERVAL (1000000/TX_HZ) +#define TX_INTERVAL (NSEC_PER_SEC/TX_HZ) static struct sdio_tx *alloc_tx_struct(struct tx_cxt *tx) { @@ -303,7 +303,7 @@ static void send_sdu(struct sdio_func *func, struct tx_cxt *tx) put_tx_struct(t->tx_cxt, t); } - do_gettimeofday(&tx->sdu_stamp); + tx->sdu_stamp = ktime_get(); spin_unlock_irqrestore(&tx->lock, flags); } @@ -330,7 +330,7 @@ static void do_tx(struct work_struct *work) struct sdio_func *func = sdev->func; struct tx_cxt *tx = &sdev->tx; struct sdio_tx *t = NULL; - struct timeval now, *before; + ktime_t now, before; int is_sdu = 0; long diff; unsigned long flags; @@ -346,11 +346,10 @@ static void do_tx(struct work_struct *work) list_del(&t->list); is_sdu = 0; } else if (!tx->stop_sdu_tx && !list_empty(&tx->sdu_list)) { - do_gettimeofday(&now); - before = &tx->sdu_stamp; + now = ktime_get(); + before = tx->sdu_stamp; - diff = (now.tv_sec - before->tv_sec) * 1000000 + - (now.tv_usec - before->tv_usec); + diff = ktime_to_ns(ktime_sub(now, before)); if (diff >= 0 && diff < TX_INTERVAL) { schedule_work(&sdev->ws); spin_unlock_irqrestore(&tx->lock, flags); diff --git a/drivers/staging/gdm72xx/gdm_sdio.h b/drivers/staging/gdm72xx/gdm_sdio.h index 77ad9d686f8e..aa7dad22a219 100644 --- a/drivers/staging/gdm72xx/gdm_sdio.h +++ b/drivers/staging/gdm72xx/gdm_sdio.h @@ -15,7 +15,7 @@ #define __GDM72XX_GDM_SDIO_H__ #include -#include +#include #define MAX_NR_SDU_BUF 64 @@ -32,7 +32,7 @@ struct tx_cxt { struct list_head free_list; struct list_head sdu_list; struct list_head hci_list; - struct timeval sdu_stamp; + ktime_t sdu_stamp; u8 *sdu_buf; spinlock_t lock; int can_send; diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c index c1408342b1d0..c7987c01d9e0 100644 --- a/drivers/staging/media/lirc/lirc_parallel.c +++ b/drivers/staging/media/lirc/lirc_parallel.c @@ -33,7 +33,7 @@ #include #include #include -#include +#include #include #include @@ -144,25 +144,22 @@ static void lirc_off(void) static unsigned int init_lirc_timer(void) { - struct timeval tv, now; + ktime_t kt, now, timeout; unsigned int level, newlevel, timeelapsed, newtimer; int count = 0; - do_gettimeofday(&tv); - tv.tv_sec++; /* wait max. 1 sec. */ + kt = ktime_get(); + /* wait max. 1 sec. */ + timeout = ktime_add_ns(kt, NSEC_PER_SEC); level = lirc_get_timer(); do { newlevel = lirc_get_timer(); if (level == 0 && newlevel != 0) count++; level = newlevel; - do_gettimeofday(&now); - } while (count < 1000 && (now.tv_sec < tv.tv_sec - || (now.tv_sec == tv.tv_sec - && now.tv_usec < tv.tv_usec))); - - timeelapsed = (now.tv_sec + 1 - tv.tv_sec)*1000000 - + (now.tv_usec - tv.tv_usec); + now = ktime_get(); + } while (count < 1000 && (ktime_before(now, timeout))); + timeelapsed = ktime_us_delta(now, kt); if (count >= 1000 && timeelapsed > 0) { if (default_timer == 0) { /* autodetect timer */ @@ -220,8 +217,8 @@ static void rbuf_write(int signal) static void lirc_lirc_irq_handler(void *blah) { - struct timeval tv; - static struct timeval lasttv; + ktime_t kt, delkt; + static ktime_t lastkt; static int init; long signal; int data; @@ -244,16 +241,14 @@ static void lirc_lirc_irq_handler(void *blah) #ifdef LIRC_TIMER if (init) { - do_gettimeofday(&tv); + kt = ktime_get(); - signal = tv.tv_sec - lasttv.tv_sec; - if (signal > 15) + delkt = ktime_sub(kt, lastkt); + if (ktime_compare(delkt, ktime_set(15, 0)) > 0) /* really long time */ data = PULSE_MASK; else - data = (int) (signal*1000000 + - tv.tv_usec - lasttv.tv_usec + - LIRC_SFH506_DELAY); + data = (int) (ktime_to_us(delkt) + LIRC_SFH506_DELAY); rbuf_write(data); /* space */ } else { @@ -301,7 +296,7 @@ static void lirc_lirc_irq_handler(void *blah) data = 1; rbuf_write(PULSE_BIT|data); /* pulse */ } - do_gettimeofday(&lasttv); + lastkt = ktime_get(); #else /* add your code here */ #endif diff --git a/drivers/staging/media/lirc/lirc_sasem.c b/drivers/staging/media/lirc/lirc_sasem.c index f2dca69c2bc0..2218d0042030 100644 --- a/drivers/staging/media/lirc/lirc_sasem.c +++ b/drivers/staging/media/lirc/lirc_sasem.c @@ -42,6 +42,7 @@ #include #include #include +#include #include #include @@ -111,7 +112,7 @@ struct sasem_context { } tx; /* for dealing with repeat codes (wish there was a toggle bit!) */ - struct timeval presstime; + ktime_t presstime; char lastcode[8]; int codesaved; }; @@ -566,8 +567,8 @@ static void incoming_packet(struct sasem_context *context, { int len = urb->actual_length; unsigned char *buf = urb->transfer_buffer; - long ms; - struct timeval tv; + u64 ns; + ktime_t kt; if (len != 8) { dev_warn(&context->dev->dev, @@ -584,9 +585,8 @@ static void incoming_packet(struct sasem_context *context, */ /* get the time since the last button press */ - do_gettimeofday(&tv); - ms = (tv.tv_sec - context->presstime.tv_sec) * 1000 + - (tv.tv_usec - context->presstime.tv_usec) / 1000; + kt = ktime_get(); + ns = ktime_to_ns(ktime_sub(kt, context->presstime)); if (memcmp(buf, "\x08\0\0\0\0\0\0\0", 8) == 0) { /* @@ -600,10 +600,9 @@ static void incoming_packet(struct sasem_context *context, * in that time and then get a false repeat of the previous * press but it is long enough for a genuine repeat */ - if ((ms < 250) && (context->codesaved != 0)) { + if ((ns < 250 * NSEC_PER_MSEC) && (context->codesaved != 0)) { memcpy(buf, &context->lastcode, 8); - context->presstime.tv_sec = tv.tv_sec; - context->presstime.tv_usec = tv.tv_usec; + context->presstime = kt; } } else { /* save the current valid code for repeats */ @@ -613,8 +612,7 @@ static void incoming_packet(struct sasem_context *context, * just for safety reasons */ context->codesaved = 1; - context->presstime.tv_sec = tv.tv_sec; - context->presstime.tv_usec = tv.tv_usec; + context->presstime = kt; } lirc_buffer_write(context->driver->rbuf, buf); diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c index 64a7b2fc5289..b798b311d32c 100644 --- a/drivers/staging/media/lirc/lirc_serial.c +++ b/drivers/staging/media/lirc/lirc_serial.c @@ -59,7 +59,7 @@ #include #include #include -#include +#include #include #include #include @@ -204,7 +204,7 @@ static struct lirc_serial hardware[] = { #define RBUF_LEN 256 -static struct timeval lasttv = {0, 0}; +static ktime_t lastkt; static struct lirc_buffer rbuf; @@ -542,10 +542,10 @@ static void frbwrite(int l) static irqreturn_t lirc_irq_handler(int i, void *blah) { - struct timeval tv; + ktime_t kt; int counter, dcd; u8 status; - long deltv; + ktime_t delkt; int data; static int last_dcd = -1; @@ -565,7 +565,7 @@ static irqreturn_t lirc_irq_handler(int i, void *blah) if ((status & hardware[type].signal_pin_change) && sense != -1) { /* get current time */ - do_gettimeofday(&tv); + kt = ktime_get(); /* New mode, written by Trent Piepho . */ @@ -594,34 +594,20 @@ static irqreturn_t lirc_irq_handler(int i, void *blah) dcd = (status & hardware[type].signal_pin) ? 1 : 0; if (dcd == last_dcd) { - pr_warn("ignoring spike: %d %d %lx %lx %lx %lx\n", - dcd, sense, - tv.tv_sec, lasttv.tv_sec, - (unsigned long)tv.tv_usec, - (unsigned long)lasttv.tv_usec); + pr_warn("ignoring spike: %d %d %llx %llx\n", + dcd, sense, ktime_to_us(kt), + ktime_to_us(lastkt)); continue; } - deltv = tv.tv_sec-lasttv.tv_sec; - if (tv.tv_sec < lasttv.tv_sec || - (tv.tv_sec == lasttv.tv_sec && - tv.tv_usec < lasttv.tv_usec)) { - pr_warn("AIEEEE: your clock just jumped backwards\n"); - pr_warn("%d %d %lx %lx %lx %lx\n", - dcd, sense, - tv.tv_sec, lasttv.tv_sec, - (unsigned long)tv.tv_usec, - (unsigned long)lasttv.tv_usec); - data = PULSE_MASK; - } else if (deltv > 15) { + delkt = ktime_sub(kt, lastkt); + if (ktime_compare(delkt, ktime_set(15, 0)) > 0) { data = PULSE_MASK; /* really long time */ if (!(dcd^sense)) { /* sanity check */ - pr_warn("AIEEEE: %d %d %lx %lx %lx %lx\n", - dcd, sense, - tv.tv_sec, lasttv.tv_sec, - (unsigned long)tv.tv_usec, - (unsigned long)lasttv.tv_usec); + pr_warn("AIEEEE: %d %d %llx %llx\n", + dcd, sense, ktime_to_us(kt), + ktime_to_us(lastkt)); /* * detecting pulse while this * MUST be a space! @@ -629,11 +615,9 @@ static irqreturn_t lirc_irq_handler(int i, void *blah) sense = sense ? 0 : 1; } } else - data = (int) (deltv*1000000 + - tv.tv_usec - - lasttv.tv_usec); + data = (int) ktime_to_us(delkt); frbwrite(dcd^sense ? data : (data|PULSE_BIT)); - lasttv = tv; + lastkt = kt; last_dcd = dcd; wake_up_interruptible(&rbuf.wait_poll); } @@ -790,7 +774,7 @@ static int set_use_inc(void *data) unsigned long flags; /* initialize timestamp */ - do_gettimeofday(&lasttv); + lastkt = ktime_get(); spin_lock_irqsave(&hardware[type].lock, flags); @@ -979,7 +963,7 @@ static int lirc_serial_resume(struct platform_device *dev) spin_lock_irqsave(&hardware[type].lock, flags); /* Enable Interrupt */ - do_gettimeofday(&lasttv); + lastkt = ktime_get(); soutp(UART_IER, sinp(UART_IER)|UART_IER_MSI); off(); diff --git a/fs/coredump.c b/fs/coredump.c index a8f75640ac86..53d7d46c55c8 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -232,9 +233,10 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) break; /* UNIX time of coredump */ case 't': { - struct timeval tv; - do_gettimeofday(&tv); - err = cn_printf(cn, "%lu", tv.tv_sec); + time64_t time; + + time = ktime_get_real_seconds(); + err = cn_printf(cn, "%lld", time); break; } /* hostname */ diff --git a/kernel/cpuset.c b/kernel/cpuset.c index d7ccb87a6714..c02d677c541c 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -51,6 +51,7 @@ #include #include #include +#include #include #include @@ -68,7 +69,7 @@ struct static_key cpusets_enabled_key __read_mostly = STATIC_KEY_INIT_FALSE; struct fmeter { int cnt; /* unprocessed events count */ int val; /* most recent output value */ - time_t time; /* clock (secs) when val computed */ + time64_t time; /* clock (secs) when val computed */ spinlock_t lock; /* guards read or write of above */ }; @@ -1374,7 +1375,7 @@ out: */ #define FM_COEF 933 /* coefficient for half-life of 10 secs */ -#define FM_MAXTICKS ((time_t)99) /* useless computing more ticks than this */ +#define FM_MAXTICKS ((u32)99) /* useless computing more ticks than this */ #define FM_MAXCNT 1000000 /* limit cnt to avoid overflow */ #define FM_SCALE 1000 /* faux fixed point scale */ @@ -1390,8 +1391,11 @@ static void fmeter_init(struct fmeter *fmp) /* Internal meter update - process cnt events and update value */ static void fmeter_update(struct fmeter *fmp) { - time_t now = get_seconds(); - time_t ticks = now - fmp->time; + time64_t now; + u32 ticks; + + now = ktime_get_seconds(); + ticks = now - fmp->time; if (ticks == 0) return;