Message ID | 20240913113705.419146-15-Neeraj.Upadhyay@amd.com (mailing list archive) |
---|---|
State | New, archived |
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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN1PEPF0000467F.mail.protection.outlook.com (10.167.243.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7918.13 via Frontend Transport; Fri, 13 Sep 2024 11:41:41 +0000 Received: from BLR-L-NUPADHYA.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 13 Sep 2024 06:41:36 -0500 From: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> To: <linux-kernel@vger.kernel.org> CC: <tglx@linutronix.de>, <mingo@redhat.com>, <dave.hansen@linux.intel.com>, <Thomas.Lendacky@amd.com>, <nikunj@amd.com>, <Santosh.Shukla@amd.com>, <Vasant.Hegde@amd.com>, <Suravee.Suthikulpanit@amd.com>, <bp@alien8.de>, <David.Kaplan@amd.com>, <x86@kernel.org>, <hpa@zytor.com>, <peterz@infradead.org>, <seanjc@google.com>, <pbonzini@redhat.com>, <kvm@vger.kernel.org> Subject: [RFC 14/14] x86/sev: Indicate SEV-SNP guest supports Secure AVIC Date: Fri, 13 Sep 2024 17:07:05 +0530 Message-ID: <20240913113705.419146-15-Neeraj.Upadhyay@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240913113705.419146-1-Neeraj.Upadhyay@amd.com> References: <20240913113705.419146-1-Neeraj.Upadhyay@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: <kvm.vger.kernel.org> List-Subscribe: <mailto:kvm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:kvm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN1PEPF0000467F:EE_|SA1PR12MB7410:EE_ X-MS-Office365-Filtering-Correlation-Id: d414d01d-2781-40fe-9bb6-08dcd3e90902 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|36860700013|82310400026; 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AMD: Add Secure AVIC Guest Support
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diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index ec038be0a048..fa5f1dc94e2b 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -402,7 +402,7 @@ void do_boot_stage2_vc(struct pt_regs *regs, unsigned long exit_code) * by the guest kernel. As and when a new feature is implemented in the * guest kernel, a corresponding bit should be added to the mask. */ -#define SNP_FEATURES_PRESENT MSR_AMD64_SNP_DEBUG_SWAP +#define SNP_FEATURES_PRESENT (MSR_AMD64_SNP_DEBUG_SWAP | MSR_AMD64_SNP_SECURE_AVIC_ENABLED) u64 snp_get_unsupported_features(u64 status) {