From: Mike Galbraith <bitbuc...@online.de>
Seems mce timer fire at the wrong frequency in -rt kernels since roughly
forever due to 32 bit overflow. 3.8-rt is also missing a multiplier.
Add missing us -> ns conversion and 32 bit overflow prevention.
Cc: stable...@vger.kernel.org
Signed-off-by: Mike Galbraith <bitbuc...@online.de>
Signed-off-by: Steven Rostedt <rost...@goodmis.org>
[bigeasy: use ULL instead of u64 cast]
Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
---
arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index e31ea90..339bb4d0 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1649,7 +1649,7 @@ static void __mcheck_cpu_init_timer(void)
__this_cpu_write(mce_next_interval, iv);
if (!iv)
return;
- hrtimer_start_range_ns(t, ns_to_ktime(jiffies_to_usecs(iv) * 1000),
+ hrtimer_start_range_ns(t, ns_to_ktime(jiffies_to_usecs(iv) * 1000ULL),
0, HRTIMER_MODE_REL_PINNED);
}
--
1.7.10.4
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