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From: Mohammed Gamal <mgamal@redhat.com>
To: kvm@vger.kernel.org, pbonzini@redhat.com
Cc: linux-kernel@vger.kernel.org, vkuznets@redhat.com,
	sean.j.christopherson@intel.com, wanpengli@tencent.com,
	jmattson@google.com, joro@8bytes.org, thomas.lendacky@amd.com,
	babu.moger@amd.com
Subject: [PATCH v2 05/11] KVM: x86: update exception bitmap on CPUID changes
Date: Fri, 19 Jun 2020 17:39:19 +0200	[thread overview]
Message-ID: <20200619153925.79106-6-mgamal@redhat.com> (raw)
In-Reply-To: <20200619153925.79106-1-mgamal@redhat.com>

From: Paolo Bonzini <pbonzini@redhat.com>

Allow vendor code to observe changes to MAXPHYADDR and start/stop
intercepting page faults.

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

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 8a294f9747aa..ea5bbf2153bb 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -128,6 +128,8 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
 	kvm_mmu_reset_context(vcpu);
 
 	kvm_pmu_refresh(vcpu);
+	kvm_x86_ops.update_exception_bitmap(vcpu);
+
 	return 0;
 }
 
-- 
2.26.2


  parent reply	other threads:[~2020-06-19 15:41 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-19 15:39 [PATCH v2 00/11] KVM: Support guest MAXPHYADDR < host MAXPHYADDR Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 01/11] KVM: x86: Add helper functions for illegal GPA checking and page fault injection Mohammed Gamal
2020-06-22  4:44   ` Yuan Yao
2020-06-22 12:21     ` Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 02/11] KVM: x86: mmu: Move translate_gpa() to mmu.c Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 03/11] KVM: x86: mmu: Add guest physical address check in translate_gpa() Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 04/11] KVM: x86: rename update_bp_intercept to update_exception_bitmap Mohammed Gamal
2020-06-19 15:39 ` Mohammed Gamal [this message]
2020-06-19 15:39 ` [PATCH v2 06/11] KVM: VMX: introduce vmx_need_pf_intercept Mohammed Gamal
2020-06-19 22:45   ` Jim Mattson
2020-06-22 13:57     ` Paolo Bonzini
2020-06-19 15:39 ` [PATCH v2 07/11] KVM: VMX: Add guest physical address check in EPT violation and misconfig Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 08/11] KVM: VMX: optimize #PF injection when MAXPHYADDR does not match Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 09/11] KVM: SVM: introduce svm_need_pf_intercept Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 10/11] KVM: SVM: Add guest physical address check in NPF/PF interception Mohammed Gamal
2020-06-19 15:39 ` [PATCH v2 11/11] KVM: x86: SVM: VMX: Make GUEST_MAXPHYADDR < HOST_MAXPHYADDR support configurable Mohammed Gamal
2020-06-19 15:43 ` [PATCH v2 00/11] KVM: Support guest MAXPHYADDR < host MAXPHYADDR Paolo Bonzini
2020-06-19 21:52 ` Tom Lendacky
2020-06-19 23:07   ` Paolo Bonzini
2020-06-22 16:33     ` Tom Lendacky
2020-06-22 17:03       ` Paolo Bonzini
2020-06-22 17:57         ` Tom Lendacky
2020-06-22 18:01           ` Paolo Bonzini
2020-06-22 19:14             ` Tom Lendacky
2020-06-22 22:20               ` Paolo Bonzini
2020-06-22 23:47     ` Andy Lutomirski
2020-06-23  0:52       ` Paolo Bonzini
2020-06-22 15:08   ` Mohammed Gamal
2020-06-22 15:23     ` Paolo Bonzini
2020-06-22 16:35       ` Tom Lendacky
2020-06-22  4:32 ` Yuan Yao

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