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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-08 19:40:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-08 19:40:08 +0100 |
| commit | 76962be8491b18ae7ff4fd6a4accd398bdb402a2 (patch) | |
| tree | 976958bf8e4989a69901bfbb25dd6463728c6cb5 /kernel/timer.c | |
| parent | ARM: 6166/1: Proper prefetch abort handling on pre-ARMv6 (diff) | |
| parent | [ARM] pxa/spitz: Correctly register WM8750 (diff) | |
| download | linux-rng-76962be8491b18ae7ff4fd6a4accd398bdb402a2.tar.xz linux-rng-76962be8491b18ae7ff4fd6a4accd398bdb402a2.zip | |
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index be394af5bc22..2454172a80d3 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -752,11 +752,15 @@ unsigned long apply_slack(struct timer_list *timer, unsigned long expires) expires_limit = expires; - if (timer->slack > -1) + if (timer->slack >= 0) { expires_limit = expires + timer->slack; - else if (time_after(expires, jiffies)) /* auto slack: use 0.4% */ - expires_limit = expires + (expires - jiffies)/256; + } else { + unsigned long now = jiffies; + /* No slack, if already expired else auto slack 0.4% */ + if (time_after(expires, now)) + expires_limit = expires + (expires - now)/256; + } mask = expires ^ expires_limit; if (mask == 0) return expires; @@ -1680,11 +1684,14 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { long cpu = (long)hcpu; + int err; + switch(action) { case CPU_UP_PREPARE: case CPU_UP_PREPARE_FROZEN: - if (init_timers_cpu(cpu) < 0) - return NOTIFY_BAD; + err = init_timers_cpu(cpu); + if (err < 0) + return notifier_from_errno(err); break; #ifdef CONFIG_HOTPLUG_CPU case CPU_DEAD: |