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authorLinus Torvalds <torvalds@linux-foundation.org>2016-09-12 14:30:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-09-12 14:30:14 -0700
commitac059c4fa78ff548ad7b2ecbad491e46bfbc6d2d (patch)
treee8a2bcc9c4caaff900ce9cf5a18f11b7a7e4b305 /arch/x86
parent2c937eb4ddca946bb74936cf63aba0f94aa0efb3 (diff)
parent27bd44e06cf4e6c51b985810e7c56147bc8d94d5 (diff)
downloadop-kernel-dev-ac059c4fa78ff548ad7b2ecbad491e46bfbc6d2d.zip
op-kernel-dev-ac059c4fa78ff548ad7b2ecbad491e46bfbc6d2d.tar.gz
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini: - s390: nested virt fixes (new 4.8 feature) - x86: fixes for 4.8 regressions - ARM: two small bugfixes * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm-arm: Unmap shadow pagetables properly x86, clock: Fix kvm guest tsc initialization arm: KVM: Fix idmap overlap detection when the kernel is idmap'ed KVM: lapic: adjust preemption timer correctly when goes TSC backward KVM: s390: vsie: fix riccbd KVM: s390: don't use current->thread.fpu.* when accessing registers
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/kvmclock.c1
-rw-r--r--arch/x86/kvm/x86.c8
2 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 1d39bfb..3692249 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -289,6 +289,7 @@ void __init kvmclock_init(void)
put_cpu();
x86_platform.calibrate_tsc = kvm_get_tsc_khz;
+ x86_platform.calibrate_cpu = kvm_get_tsc_khz;
x86_platform.get_wallclock = kvm_get_wallclock;
x86_platform.set_wallclock = kvm_set_wallclock;
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 19f9f9e..699f872 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2743,16 +2743,16 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
if (tsc_delta < 0)
mark_tsc_unstable("KVM discovered backwards TSC");
- if (kvm_lapic_hv_timer_in_use(vcpu) &&
- kvm_x86_ops->set_hv_timer(vcpu,
- kvm_get_lapic_tscdeadline_msr(vcpu)))
- kvm_lapic_switch_to_sw_timer(vcpu);
if (check_tsc_unstable()) {
u64 offset = kvm_compute_tsc_offset(vcpu,
vcpu->arch.last_guest_tsc);
kvm_x86_ops->write_tsc_offset(vcpu, offset);
vcpu->arch.tsc_catchup = 1;
}
+ if (kvm_lapic_hv_timer_in_use(vcpu) &&
+ kvm_x86_ops->set_hv_timer(vcpu,
+ kvm_get_lapic_tscdeadline_msr(vcpu)))
+ kvm_lapic_switch_to_sw_timer(vcpu);
/*
* On a host with synchronized TSC, there is no need to update
* kvmclock on vcpu->cpu migration
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