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x86: kvmclock: remove check_and_clear_guest_paused warning 

CPU offline path calls the hrtimer interrupt handler with interrupts
disabled, without touching preempt_count, triggering this warning.

Remove the warning since it is supposed to be used from hrtimer
interrupt context only.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Marcelo Tosatti 2012-06-11 23:18:33 -03:00
parent 4e3c8a1b1c
commit e32025a564
1 changed files with 0 additions and 5 deletions
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5
arch/x86/kernel/kvmclock.c
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@ -120,11 +120,6 @@ bool kvm_check_and_clear_guest_paused(void)
bool ret = false;
struct pvclock_vcpu_time_info *src;
/*
* per_cpu() is safe here because this function is only called from
* timer functions where preemption is already disabled.
*/
WARN_ON(!in_atomic());
src = &__get_cpu_var(hv_clock);
if ((src->flags & PVCLOCK_GUEST_STOPPED) != 0) {
__this_cpu_and(hv_clock.flags, ~PVCLOCK_GUEST_STOPPED);