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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: [PATCH v5 01/17] x86/cpufeatures: Introduce x2AVIC CPUID bit
Date: Wed, 18 May 2022 11:26:36 -0500	[thread overview]
Message-ID: <20220518162652.100493-2-suravee.suthikulpanit@amd.com> (raw)
In-Reply-To: <20220518162652.100493-1-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 1d6826eac3e6..2721bd1e8e1e 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -343,6 +343,7 @@
 #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:[~2022-05-18 16:27 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 16:26 [PATCH v5 00/17] Introducing AMD x2AVIC and hybrid-AVIC modes Suravee Suthikulpanit
2022-05-18 16:26 ` Suravee Suthikulpanit [this message]
2022-05-18 16:26 ` [PATCH v5 02/17] KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 03/17] KVM: SVM: Detect X2APIC virtualization (x2AVIC) support Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 04/17] KVM: SVM: Update max number of vCPUs supported for x2AVIC mode Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 05/17] KVM: SVM: Update avic_kick_target_vcpus to support 32-bit APIC ID Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 06/17] KVM: SVM: Do not support updating APIC ID when in x2APIC mode Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 07/17] KVM: SVM: Adding support for configuring x2APIC MSRs interception Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 08/17] KVM: x86: Deactivate APICv on vCPU with APIC disabled Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 09/17] KVM: SVM: Refresh AVIC configuration when changing APIC mode Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 10/17] KVM: SVM: Introduce helper functions to (de)activate AVIC and x2AVIC Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 11/17] KVM: SVM: Do not throw warning when calling avic_vcpu_load on a running vcpu Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 12/17] KVM: SVM: Introduce hybrid-AVIC mode Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 13/17] KVM: x86: Warning APICv inconsistency only when vcpu APIC mode is valid Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 14/17] KVM: SVM: Use target APIC ID to complete x2AVIC IRQs when possible Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 15/17] KVM: SVM: Add AVIC doorbell tracepoint Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 16/17] KVM: x86: nSVM: always intercept x2apic msrs Suravee Suthikulpanit
2022-05-18 17:18   ` Maxim Levitsky
2022-05-18 17:25     ` Maxim Levitsky
2022-05-19 10:29     ` Suravee Suthikulpanit
2022-05-18 16:26 ` [PATCH v5 17/17] KVM: x86: nSVM: optimize svm_set_x2apic_msr_interception Suravee Suthikulpanit

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