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Thu, 5 Nov 2026 19:26:33 -0600 From: Melody Wang To: CC: LKML , Tom Lendacky , , Melody Wang Subject: [PATCH v6 4/7] x86/sev: Add a function to contain all SEV-specific setup operations Date: Fri, 6 Nov 2026 01:25:30 +0000 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF00079400:EE_|IA0PR12MB7602:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f016f6d-83f1-4d27-232c-08df3ba4ffd5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|1800799024|376014|82310400026|36860700016|261028144727099003|261022105027099003|261026140227099003|261009223027099003|261021123027099003|11063799006|56012099006|261102123227099003|261021121427099003|10067099003|22082099003|18002099003; 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No functional changes. Signed-off-by: Melody Wang --- drivers/firmware/efi/libstub/x86-stub.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 253dd3ba8fab..a2f193da9bde 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -786,7 +786,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params, void *handle) return EFI_SUCCESS; } -static bool have_unsupported_snp_features(void) +static bool sev_prepare(void) { u64 unsupported; @@ -794,9 +794,9 @@ static bool have_unsupported_snp_features(void) if (unsupported) { efi_err("Unsupported SEV-SNP features detected: 0x%llx\n", unsupported); - return true; + return false; } - return false; + return true; } static void efi_get_seed(void *seed, int size) @@ -937,7 +937,7 @@ void __noreturn efi_stub_entry(efi_handle_t handle, hdr = &boot_params->hdr; - if (have_unsupported_snp_features()) + if (!sev_prepare()) efi_exit(handle, EFI_UNSUPPORTED); if (IS_ENABLED(CONFIG_EFI_DXE_MEM_ATTRIBUTES)) { -- 2.43.0