diff options
author | Jim Mattson <jmattson@google.com> | 2020-05-08 23:36:42 +0300 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-15 19:26:25 +0300 |
commit | ada0098df6569b7f9e9495beb0f1e35718895aa0 (patch) | |
tree | e1cb985092930de0a0bc9008b45eaa8edffd6304 /arch | |
parent | 1739f3d56d24a121535b45267d85b7fe6f6cc4ab (diff) | |
download | linux-ada0098df6569b7f9e9495beb0f1e35718895aa0.tar.xz |
KVM: nVMX: Change emulated VMX-preemption timer hrtimer to absolute
Prepare for migration of this hrtimer, by changing it from relative to
absolute. (I couldn't get migration to work with a relative timer.)
Signed-off-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Message-Id: <20200508203643.85477-3-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kvm/vmx/nested.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 3d50e50de626..51ebb60e1533 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2113,7 +2113,8 @@ static void vmx_start_preemption_timer(struct kvm_vcpu *vcpu) preemption_timeout *= 1000000; do_div(preemption_timeout, vcpu->arch.virtual_tsc_khz); hrtimer_start(&vmx->nested.preemption_timer, - ns_to_ktime(preemption_timeout), HRTIMER_MODE_REL_PINNED); + ktime_add_ns(ktime_get(), preemption_timeout), + HRTIMER_MODE_ABS_PINNED); } static u64 nested_vmx_calc_efer(struct vcpu_vmx *vmx, struct vmcs12 *vmcs12) @@ -4673,7 +4674,7 @@ static int enter_vmx_operation(struct kvm_vcpu *vcpu) goto out_shadow_vmcs; hrtimer_init(&vmx->nested.preemption_timer, CLOCK_MONOTONIC, - HRTIMER_MODE_REL_PINNED); + HRTIMER_MODE_ABS_PINNED); vmx->nested.preemption_timer.function = vmx_preemption_timer_fn; vmx->nested.vpid02 = allocate_vpid(); |