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Commit e32025a5 authored by Marcelo Tosatti's avatar Marcelo Tosatti
Browse files

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: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 4e3c8a1b

arch/x86/kernel/kvmclock.c

+0 −5
Original line number Diff line number Diff line
@@ -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);