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From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
To: <linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>
Cc: <pbonzini@redhat.com>, <mlevitsk@redhat.com>, <seanjc@google.com>,
	<joro@8bytes.org>, <jon.grimm@amd.com>, <wei.huang2@amd.com>,
	<terry.bowman@amd.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: [RFCv2 PATCH 01/12] x86/cpufeatures: Introduce x2AVIC CPUID bit
Date: Tue, 8 Mar 2022 10:39:15 -0600	[thread overview]
Message-ID: <20220308163926.563994-2-suravee.suthikulpanit@amd.com> (raw)
In-Reply-To: <20220308163926.563994-1-suravee.suthikulpanit@amd.com>

Introduce a new feature bit for virtualized x2APIC (x2AVIC) in
CPUID_Fn8000000A_EDX [SVM Revision and Feature Identification].

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 arch/x86/include/asm/cpufeatures.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index 6db4e2932b3d..8c91a313668e 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -345,6 +345,7 @@
 #define X86_FEATURE_AVIC		(15*32+13) /* Virtual Interrupt Controller */
 #define X86_FEATURE_V_VMSAVE_VMLOAD	(15*32+15) /* Virtual VMSAVE VMLOAD */
 #define X86_FEATURE_VGIF		(15*32+16) /* Virtual GIF */
+#define X86_FEATURE_X2AVIC		(15*32+18) /* Virtual x2apic */
 #define X86_FEATURE_V_SPEC_CTRL		(15*32+20) /* Virtual SPEC_CTRL */
 #define X86_FEATURE_SVME_ADDR_CHK	(15*32+28) /* "" SVME addr check */
 
-- 
2.25.1


  reply	other threads:[~2022-03-08 16:39 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-08 16:39 [RFCv2 PATCH 00/12] Introducing AMD x2APIC Virtualization (x2AVIC) support Suravee Suthikulpanit
2022-03-08 16:39 ` Suravee Suthikulpanit [this message]
2022-03-08 16:39 ` [RFCv2 PATCH 02/12] KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD Suravee Suthikulpanit
2022-03-24 10:30   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 03/12] KVM: SVM: Detect X2APIC virtualization (x2AVIC) support Suravee Suthikulpanit
2022-03-24 10:53   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 04/12] KVM: SVM: Update max number of vCPUs supported for x2AVIC mode Suravee Suthikulpanit
2022-03-24 11:13   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 05/12] KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID Suravee Suthikulpanit
2022-03-24 11:36   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 06/12] KVM: SVM: Do not update logical APIC ID table when in x2APIC mode Suravee Suthikulpanit
2022-03-24 11:37   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 07/12] KVM: SVM: Introduce helper function kvm_get_apic_id Suravee Suthikulpanit
2022-03-24 14:14   ` Maxim Levitsky
2022-04-05  3:58     ` Suravee Suthikulpanit
2022-04-05  9:36       ` Suravee Suthikulpanit
2022-03-08 16:39 ` [RFCv2 PATCH 08/12] KVM: SVM: Adding support for configuring x2APIC MSRs interception Suravee Suthikulpanit
2022-03-24 15:19   ` Maxim Levitsky
2022-04-05  1:45     ` Suravee Suthikulpanit
2022-03-08 16:39 ` [RFCv2 PATCH 09/12] KVM: SVM: Refresh AVIC settings when changing APIC mode Suravee Suthikulpanit
2022-03-24 15:35   ` Maxim Levitsky
2022-03-31  4:04     ` Suravee Suthikulpanit
2022-03-08 16:39 ` [RFCv2 PATCH 10/12] KVM: SVM: Introduce helper functions to (de)activate AVIC and x2AVIC Suravee Suthikulpanit
2022-03-24 15:40   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 11/12] KVM: SVM: Do not throw warning when calling avic_vcpu_load on a running vcpu Suravee Suthikulpanit
2022-03-24 15:42   ` Maxim Levitsky
2022-03-08 16:39 ` [RFCv2 PATCH 12/12] KVM: SVM: Do not inhibit APICv when x2APIC is present Suravee Suthikulpanit

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