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[RFT,v5,2/3] KVM: VMX: reflect broken preemption timer in vmcs_config

Message ID 1467979333-19535-3-git-send-email-pbonzini@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paolo Bonzini July 8, 2016, 12:02 p.m. UTC 
Simplify cpu_has_vmx_preemption_timer.  This is consistent with the
rest of setup_vmcs_config and preparatory for the next patch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 arch/x86/kvm/vmx.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index f6e5cc679898..0048be79c7b9 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1121,9 +1121,6 @@  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;
 }
@@ -3407,6 +3404,8 @@  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))
 		_pin_based_exec_control &= ~PIN_BASED_POSTED_INTR;