[1/3] KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG
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Message ID 20200505205000.188252-2-peterx@redhat.com
State New
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Series
  • KVM: X86: Two fixes for KVM_SET_GUEST_DEBUG, and a selftest
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Commit Message

Peter Xu May 5, 2020, 8:49 p.m. UTC
RTM should always been set even with KVM_EXIT_DEBUG on #DB.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 arch/x86/kvm/vmx/vmx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index c2c6335a998c..05ed3e707ec6 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4685,7 +4685,7 @@  static int handle_exception_nmi(struct kvm_vcpu *vcpu)
 			kvm_queue_exception(vcpu, DB_VECTOR);
 			return 1;
 		}
-		kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1;
+		kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1 | DR6_RTM;
 		kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
 		/* fall through */
 	case BP_VECTOR: