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Date: Tue, 16 Jun 2015 16:34:24 +0800 From: lizf@...nel.org To: stable@...r.kernel.org Cc: linux-kernel@...r.kernel.org, David Hildenbrand <dahi@...ux.vnet.ibm.com>, Christian Borntraeger <borntraeger@...ibm.com>, Zefan Li <lizefan@...wei.com> Subject: [PATCH 3.4 010/172] KVM: s390: base hrtimer on a monotonic clock From: David Hildenbrand <dahi@...ux.vnet.ibm.com> 3.4.108-rc1 review patch. If anyone has any objections, please let me know. ------------------ commit 0ac96caf0f9381088c673a16d910b1d329670edf upstream. The hrtimer that handles the wait with enabled timer interrupts should not be disturbed by changes of the host time. This patch changes our hrtimer to be based on a monotonic clock. Signed-off-by: David Hildenbrand <dahi@...ux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@...ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@...ibm.com> [lizf: Backported to 3.4: adjust context] Signed-off-by: Zefan Li <lizefan@...wei.com> --- arch/s390/kvm/kvm-s390.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0f250d1..7e6ac1f 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -347,7 +347,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->arch.sie_block->ecb = 6; vcpu->arch.sie_block->eca = 0xC1002001U; vcpu->arch.sie_block->fac = (int) (long) facilities; - hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); + hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); tasklet_init(&vcpu->arch.tasklet, kvm_s390_tasklet, (unsigned long) vcpu); vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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