This is a note to let you know that I've just added the patch titled
KVM: x86: properly restore LVT0
to the 4.1-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-x86-properly-restore-lvt0.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From db1385624c686fe99fe2d1b61a36e1537b915d08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= <[email protected]>
Date: Tue, 30 Jun 2015 22:19:17 +0200
Subject: KVM: x86: properly restore LVT0
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From: =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= <[email protected]>
commit db1385624c686fe99fe2d1b61a36e1537b915d08 upstream.
Legacy NMI watchdog didn't work after migration/resume, because
vapics_in_nmi_mode was left at 0.
Signed-off-by: Radim Krčmář <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/x86/kvm/lapic.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1808,6 +1808,7 @@ void kvm_apic_post_state_restore(struct
apic_update_ppr(apic);
hrtimer_cancel(&apic->lapic_timer.timer);
apic_update_lvtt(apic);
+ apic_manage_nmi_watchdog(apic, kvm_apic_get_reg(apic, APIC_LVT0));
update_divide_count(apic);
start_apic_timer(apic);
apic->irr_pending = true;
Patches currently in stable-queue which might be from [email protected] are
queue-4.1/kvm-x86-properly-restore-lvt0.patch
queue-4.1/kvm-x86-make-vapics_in_nmi_mode-atomic.patch
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