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* [PATCH] KVM: x86: allow TSC deadline timer on all hosts
@ 2015-01-08 14:59 Radim Krčmář
  2015-01-08 16:23 ` Paolo Bonzini
  0 siblings, 1 reply; 2+ messages in thread
From: Radim Krčmář @ 2015-01-08 14:59 UTC (permalink / raw)
  To: linux-kernel; +Cc: kvm, Paolo Bonzini, Marcelo Tosatti

Emulation does not utilize the feature.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---
 arch/x86/kvm/x86.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 933a373..ed879f1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2743,6 +2743,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_READONLY_MEM:
 	case KVM_CAP_HYPERV_TIME:
 	case KVM_CAP_IOAPIC_POLARITY_IGNORED:
+	case KVM_CAP_TSC_DEADLINE_TIMER:
 #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 	case KVM_CAP_ASSIGN_DEV_IRQ:
 	case KVM_CAP_PCI_2_3:
@@ -2781,9 +2782,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_TSC_CONTROL:
 		r = kvm_has_tsc_control;
 		break;
-	case KVM_CAP_TSC_DEADLINE_TIMER:
-		r = boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER);
-		break;
 	default:
 		r = 0;
 		break;
-- 
2.2.0

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2015-01-08 14:59 [PATCH] KVM: x86: allow TSC deadline timer on all hosts Radim Krčmář
2015-01-08 16:23 ` Paolo Bonzini

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