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| author | Wanpeng Li <wanpeng.li@hotmail.com> | 2016-08-30 16:14:01 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-07 19:34:27 +0200 |
| commit | f15a75eedc18e1fece8e01f1a6f7d135e61b0750 (patch) | |
| tree | a2959368546d3e5a50a522ce99ecdd2507e781f5 /arch/x86/kvm | |
| parent | 72e0ae58a0fbded49d6fa80dcca5aaea9eb5a73f (diff) | |
| download | linux-f15a75eedc18e1fece8e01f1a6f7d135e61b0750.tar.bz2 | |
KVM: nVMX: make emulated nested preemption timer pinned
Commit 61abdbe0bc ("kvm: x86: make lapic hrtimer pinned") pins the emulated
lapic timer. This patch does the same for the emulated nested preemption
timer to avoid vmexit an unrelated vCPU and the latency of kicking IPI to
another vCPU.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 8d2880466764..ccb0356e3f2b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7013,7 +7013,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu) vmx->nested.vmcs02_num = 0; hrtimer_init(&vmx->nested.preemption_timer, CLOCK_MONOTONIC, - HRTIMER_MODE_REL); + HRTIMER_MODE_REL_PINNED); vmx->nested.preemption_timer.function = vmx_preemption_timer_fn; vmx->nested.vmxon = true; |