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From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
To: <linux-kernel@vger.kernel.org>, <kvm@vger.kernel.org>, <x86@kernel.org>
Cc: <mlevitsk@redhat.com>, <seanjc@google.com>, <pbonzini@redhat.com>,
	<joro@8bytes.org>, <tglx@linutronix.de>, <mingo@redhat.com>,
	<bp@alien8.de>, <peterz@infradead.org>, <hpa@zytor.com>,
	<jon.grimm@amd.com>, <wei.huang2@amd.com>, <terry.bowman@amd.com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Subject: [PATCH 01/12] x86/cpufeatures: Introduce x2AVIC CPUID bit
Date: Tue, 5 Apr 2022 18:08:44 -0500	[thread overview]
Message-ID: <20220405230855.15376-2-suravee.suthikulpanit@amd.com> (raw)
In-Reply-To: <20220405230855.15376-1-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 65d147974f8d..659856ee81b7 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:[~2022-04-06  3:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-05 23:08 [PATCH 00/12] Introducing AMD x2APIC Virtualization (x2AVIC) support Suravee Suthikulpanit
2022-04-05 23:08 ` Suravee Suthikulpanit [this message]
2022-04-05 23:08 ` [PATCH 02/12] KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 03/12] KVM: SVM: Detect X2APIC virtualization (x2AVIC) support Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 04/12] KVM: SVM: Update max number of vCPUs supported for x2AVIC mode Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 05/12] KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 06/12] KVM: SVM: Do not support updating APIC ID when in x2APIC mode Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 07/12] KVM: SVM: Adding support for configuring x2APIC MSRs interception Suravee Suthikulpanit
2022-04-07  2:44   ` Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 08/12] KVM: SVM: Update AVIC settings when changing APIC mode Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 09/12] KVM: SVM: Introduce helper functions to (de)activate AVIC and x2AVIC Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 10/12] KVM: SVM: Do not throw warning when calling avic_vcpu_load on a running vcpu Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 11/12] KVM: SVM: Do not inhibit APICv when x2APIC is present Suravee Suthikulpanit
2022-04-05 23:08 ` [PATCH 12/12] kvm/x86: Remove APICV activate mode inconsistency check Suravee Suthikulpanit

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