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author | Chris Metcalf <cmetcalf@tilera.com> | 2011-08-02 20:14:02 (GMT) |
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committer | Chris Metcalf <cmetcalf@tilera.com> | 2011-08-02 20:14:02 (GMT) |
commit | 3d071cd313643cf82b1ce1ce4fdf08d63ad53964 (patch) | |
tree | 874c1683f32f07614aa123f6ca5cf6c2bd443704 /fs/timerfd.c | |
parent | cf8e98d15361f8c594da00a3f7a500787fc1a426 (diff) | |
parent | 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff) | |
download | linux-fsl-qoriq-3d071cd313643cf82b1ce1ce4fdf08d63ad53964.tar.xz |
Merge tag 'v3.0' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'fs/timerfd.c')
-rw-r--r-- | fs/timerfd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/timerfd.c b/fs/timerfd.c index f67acbd..dffeb37 100644 --- a/fs/timerfd.c +++ b/fs/timerfd.c @@ -61,7 +61,9 @@ static enum hrtimer_restart timerfd_tmrproc(struct hrtimer *htmr) /* * Called when the clock was set to cancel the timers in the cancel - * list. + * list. This will wake up processes waiting on these timers. The + * wake-up requires ctx->ticks to be non zero, therefore we increment + * it before calling wake_up_locked(). */ void timerfd_clock_was_set(void) { @@ -76,6 +78,7 @@ void timerfd_clock_was_set(void) spin_lock_irqsave(&ctx->wqh.lock, flags); if (ctx->moffs.tv64 != moffs.tv64) { ctx->moffs.tv64 = KTIME_MAX; + ctx->ticks++; wake_up_locked(&ctx->wqh); } spin_unlock_irqrestore(&ctx->wqh.lock, flags); |