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x86, tsc: Fix a preemption leak in restore_sched_clock_state()

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A real life genuine preemption leak..

Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peter Zijlstra 2010-09-10 22:32:53 +02:00 committed by Linus Torvalds
parent 9aea5a65aa
commit 5ee5e97ee9
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/tsc.c
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@ -655,7 +655,7 @@ void restore_sched_clock_state(void)
local_irq_save(flags);
get_cpu_var(cyc2ns_offset) = 0;
__get_cpu_var(cyc2ns_offset) = 0;
offset = cyc2ns_suspend - sched_clock();
for_each_possible_cpu(cpu)