| Date | Wed, 22 Apr 2015 12:07:37 -0700 | From | tip-bot for Thomas Gleixner <> | Subject | [tip:timers/core] hrtimer: Cache line align the hrtimer cpu base |
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Commit-ID: 6d9a1411393d51f17bee3fe163430b21b2cb2de9 Gitweb: http://git.kernel.org/tip/6d9a1411393d51f17bee3fe163430b21b2cb2de9 Author: Thomas Gleixner <tglx@linutronix.de> AuthorDate: Tue, 14 Apr 2015 21:08:42 +0000 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 22 Apr 2015 17:06:49 +0200
hrtimer: Cache line align the hrtimer cpu base
We really want that data structure to start at a cache line boundary.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203501.417597627@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/hrtimer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 17a59dd..0853f52 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -191,7 +191,7 @@ struct hrtimer_cpu_base { unsigned int max_hang_time; #endif struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; -}; +} ____cacheline_aligned; static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) {
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