From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: peterx@redhat.com, Sean Christopherson <sean.j.christopherson@intel.com>
Subject: [PATCH 3/9] KVM: X86: Set RTM for DB_VECTOR too for KVM_EXIT_DEBUG
Date: Wed, 6 May 2020 07:10:28 -0400 [thread overview]
Message-ID: <20200506111034.11756-4-pbonzini@redhat.com> (raw)
In-Reply-To: <20200506111034.11756-1-pbonzini@redhat.com>
From: Peter Xu <peterx@redhat.com>
RTM should always been set even with KVM_EXIT_DEBUG on #DB.
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20200505205000.188252-2-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/vmx/vmx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index bb5a527e49d9..2384a2dbec44 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4683,7 +4683,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
kvm_queue_exception_p(vcpu, DB_VECTOR, dr6);
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:
--
2.18.2
next prev parent reply other threads:[~2020-05-06 11:11 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 11:10 [PATCH 0/9] KVM_SET_GUEST_DEBUG tests and fixes, DR accessors cleanups Paolo Bonzini
2020-05-06 11:10 ` [PATCH 1/9] KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly Paolo Bonzini
2020-05-06 11:10 ` [PATCH 2/9] KVM: x86: fix DR6 delivery for various cases of #DB injection Paolo Bonzini
2020-05-06 16:01 ` Peter Xu
2020-05-06 11:10 ` Paolo Bonzini [this message]
2020-05-06 11:10 ` [PATCH 4/9] KVM: X86: Fix single-step with KVM_SET_GUEST_DEBUG Paolo Bonzini
2020-05-06 11:10 ` [PATCH 5/9] KVM: selftests: Add KVM_SET_GUEST_DEBUG test Paolo Bonzini
2020-05-06 11:10 ` [PATCH 6/9] KVM: SVM: keep DR6 synchronized with vcpu->arch.dr6 Paolo Bonzini
2020-05-06 16:04 ` Peter Xu
2020-05-06 11:10 ` [PATCH 7/9] KVM: x86: simplify dr6 accessors in kvm_x86_ops Paolo Bonzini
2020-05-06 16:06 ` Peter Xu
2020-05-06 16:09 ` Paolo Bonzini
2020-05-06 17:52 ` Peter Xu
2020-05-06 11:10 ` [PATCH 8/9] KVM: x86, SVM: do not clobber guest DR6 on KVM_EXIT_DEBUG Paolo Bonzini
2020-05-06 18:15 ` Peter Xu
2020-05-06 20:07 ` Paolo Bonzini
2020-05-06 21:13 ` Peter Xu
2020-05-06 21:20 ` Sean Christopherson
2020-05-06 23:33 ` Peter Xu
2020-05-06 23:47 ` Sean Christopherson
2020-05-06 11:10 ` [PATCH 9/9] KVM: VMX: pass correct DR6 for GD userspace exit Paolo Bonzini
2020-05-06 17:50 ` Peter Xu
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