diff options
| author |   Paolo Bonzini <pbonzini@redhat.com> | 2016-07-08 11:53:38 +0200 |
|---|---|---|
| committer |   Yunhong Jiang <yunhong.jiang@linux.intel.com> | 2016-07-18 08:10:02 -0700 |
| commit | c81c5f9e9856d3149ec81c099dfddca212a50e54 (patch) | |
| tree | aed449672211b1eecfc284eb512dc4f0fd512b9c /kernel/arch/x86 | |
| parent | 4304209a4fdfc9b1b8be8f0937ba6a7b7e3557a0 (diff) | |
KVM: VMX: reflect broken preemption timer in vmcs_config
Simplify cpu_has_vmx_preemption_timer. This is consistent with the
rest of setup_vmcs_config and preparatory for the next patch.
Tested-by: Wanpeng Li <kernellwp@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Change-Id: I3b33a881c5e47d5d3046e28374d0b0ca363ffad7
upstream-status: backport
Signed-off-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>
Diffstat (limited to 'kernel/arch/x86')
| -rw-r--r-- | kernel/arch/x86/kvm/vmx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/arch/x86/kvm/vmx.c b/kernel/arch/x86/kvm/vmx.c index 5da019be6..e55417710 100644 --- a/kernel/arch/x86/kvm/vmx.c +++ b/kernel/arch/x86/kvm/vmx.c @@ -1101,9 +1101,6 @@ static inline bool cpu_has_broken_vmx_preemption_timer(void) static inline bool cpu_has_vmx_preemption_timer(void) { - if (cpu_has_broken_vmx_preemption_timer()) - return false; - return vmcs_config.pin_based_exec_ctrl & PIN_BASED_VMX_PREEMPTION_TIMER; } @@ -3280,6 +3277,9 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) &_pin_based_exec_control) < 0) return -EIO; + if (cpu_has_broken_vmx_preemption_timer()) + _pin_based_exec_control &= ~PIN_BASED_VMX_PREEMPTION_TIMER; + if (!(_cpu_based_2nd_exec_control & SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY) || !(_vmexit_control & VM_EXIT_ACK_INTR_ON_EXIT)) |