This is a note to let you know that I've just added the patch titled
KVM: s390: base hrtimer on a monotonic clock
to the 3.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-s390-base-hrtimer-on-a-monotonic-clock.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 0ac96caf0f9381088c673a16d910b1d329670edf Mon Sep 17 00:00:00 2001
From: David Hildenbrand <[email protected]>
Date: Fri, 12 Dec 2014 15:17:31 +0100
Subject: KVM: s390: base hrtimer on a monotonic clock
From: David Hildenbrand <[email protected]>
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 <[email protected]>
Acked-by: Cornelia Huck <[email protected]>
Signed-off-by: Christian Borntraeger <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/s390/kvm/kvm-s390.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -670,7 +670,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu
if (rc)
return rc;
}
- hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
+ hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup;
get_cpu_id(&vcpu->arch.cpu_id);
vcpu->arch.cpu_id.version = 0xff;
Patches currently in stable-queue which might be from [email protected]
are
queue-3.19/kvm-s390-base-hrtimer-on-a-monotonic-clock.patch
queue-3.19/kvm-s390-floating-irqs-fix-user-triggerable-endless-loop.patch
queue-3.19/kvm-s390-forward-hrtimer-if-guest-ckc-not-pending-yet.patch
queue-3.19/kvm-s390-avoid-memory-leaks-if-__inject_vm-fails.patch
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