| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 062/129] arm/arm64: KVM: Don't clear the VCPU_POWER_OFF flag | Date | Fri, 22 May 2015 09:57:27 +0100 |
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3.16.7-ckt12 -stable review patch. If anyone has any objections, please let me know.
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From: Christoffer Dall <christoffer.dall@linaro.org>
commit 03f1d4c17edb31b41b14ca3a749ae38d2dd6639d upstream.
If a VCPU was originally started with power off (typically to be brought up by PSCI in SMP configurations), there is no need to clear the POWER_OFF flag in the kernel, as this flag is only tested during the init ioctl itself.
Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- arch/arm/kvm/arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 90f36c1f568f..b38acec6c918 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -679,7 +679,7 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu, /* * Handle the "start in power-off" case by marking the VCPU as paused. */ - if (__test_and_clear_bit(KVM_ARM_VCPU_POWER_OFF, vcpu->arch.features)) + if (test_bit(KVM_ARM_VCPU_POWER_OFF, vcpu->arch.features)) vcpu->arch.pause = true; return 0;
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