From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 14 Apr 2015 21:08:42 +0000 (+0000)
Subject: hrtimer: Cache line align the hrtimer cpu base
X-Git-Tag: v4.2-rc1~165^2~90
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6d9a1411393d51f17bee3fe163430b21b2cb2de9;p=karo-tx-linux.git

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>
---

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 17a59ddcc79a..0853f52f8ffb 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)
 {