Message ID | 20231230172351.574091-12-michael.roth@amd.com |
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State | New |
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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 MN1PEPF0000ECD8.mail.protection.outlook.com (10.167.242.137) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7159.9 via Frontend Transport; Sat, 30 Dec 2023 17:25:23 +0000 Received: from localhost (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 15.1.2507.34; Sat, 30 Dec 2023 11:25:23 -0600 From: Michael Roth <michael.roth@amd.com> To: <kvm@vger.kernel.org> CC: <linux-coco@lists.linux.dev>, <linux-mm@kvack.org>, <linux-crypto@vger.kernel.org>, <x86@kernel.org>, <linux-kernel@vger.kernel.org>, <tglx@linutronix.de>, <mingo@redhat.com>, <jroedel@suse.de>, <thomas.lendacky@amd.com>, <hpa@zytor.com>, <ardb@kernel.org>, <pbonzini@redhat.com>, <seanjc@google.com>, <vkuznets@redhat.com>, <jmattson@google.com>, <luto@kernel.org>, <dave.hansen@linux.intel.com>, <slp@redhat.com>, <pgonda@google.com>, <peterz@infradead.org>, <srinivas.pandruvada@linux.intel.com>, <rientjes@google.com>, <dovmurik@linux.ibm.com>, <tobin@ibm.com>, <bp@alien8.de>, <vbabka@suse.cz>, <kirill@shutemov.name>, <ak@linux.intel.com>, <tony.luck@intel.com>, <sathyanarayanan.kuppuswamy@linux.intel.com>, <alpergun@google.com>, <jarkko@kernel.org>, <ashish.kalra@amd.com>, <nikunj.dadhania@amd.com>, <pankaj.gupta@amd.com>, <liam.merwick@oracle.com>, <zhi.a.wang@intel.com> Subject: [PATCH v11 11/35] KVM: SEV: Select KVM_GENERIC_PRIVATE_MEM when CONFIG_KVM_AMD_SEV=y Date: Sat, 30 Dec 2023 11:23:27 -0600 Message-ID: <20231230172351.574091-12-michael.roth@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231230172351.574091-1-michael.roth@amd.com> References: <20231230172351.574091-1-michael.roth@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD8:EE_|SJ2PR12MB8159:EE_ X-MS-Office365-Filtering-Correlation-Id: 56ad104d-342d-4d10-6f00-08dc095c4e98 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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[v11,01/35] KVM: Add hugepage support for dedicated guest memory
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Commit Message
Michael Roth
Dec. 30, 2023, 5:23 p.m. UTC
SEV-SNP relies on restricted/protected memory support to run guests, so
make sure to enable that support via the CONFIG_KVM_GENERIC_PRIVATE_MEM
config option.
Signed-off-by: Michael Roth <michael.roth@amd.com>
---
arch/x86/kvm/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index e807eb56dc08..4ec53d6d5773 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -124,6 +124,7 @@ config KVM_AMD_SEV bool "AMD Secure Encrypted Virtualization (SEV) support" depends on KVM_AMD && X86_64 depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m) + select KVM_GENERIC_PRIVATE_MEM help Provides support for launching Encrypted VMs (SEV) and Encrypted VMs with Encrypted State (SEV-ES) on AMD processors.