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Thu, 20 Jul 2023 15:28:25 -0500 From: John Allen To: , CC: , , , , John Allen , Subject: [PATCH] x86/microcode/AMD: Increase microcode PATCH_MAX_SIZE Date: Thu, 20 Jul 2023 20:28:13 +0000 Message-ID: <20230720202813.3269888-1-john.allen@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] 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: BN8NAM11FT093:EE_|DM4PR12MB7718:EE_ X-MS-Office365-Filtering-Correlation-Id: 17a1e73b-56f1-44b9-bbb8-08db895fdf4c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(396003)(376002)(39860400002)(346002)(136003)(82310400008)(451199021)(36840700001)(46966006)(40470700004)(81166007)(82740400003)(356005)(40480700001)(40460700003)(7696005)(6666004)(86362001)(336012)(1076003)(8676002)(186003)(26005)(16526019)(44832011)(316002)(41300700001)(5660300002)(70586007)(70206006)(4326008)(54906003)(4744005)(2906002)(110136005)(8936002)(83380400001)(36860700001)(2616005)(36756003)(426003)(478600001)(47076005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jul 2023 20:28:26.3834 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 17a1e73b-56f1-44b9-bbb8-08db895fdf4c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT093.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7718 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771974877123476180 X-GMAIL-MSGID: 1771974877123476180 Future AMD cpus will have microcode patches that exceed the current limit of three 4K pages. Increase substantially to avoid future size increases. Signed-off-by: John Allen Cc: stable@vger.kernel.org Signed-off-by: Borislav Petkov (AMD) Tested-by: John Allen --- arch/x86/include/asm/microcode_amd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index e6662adf3af4..e3d5f5ae2f46 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h @@ -41,7 +41,7 @@ struct microcode_amd { unsigned int mpb[]; }; -#define PATCH_MAX_SIZE (3 * PAGE_SIZE) +#define PATCH_MAX_SIZE (8 * PAGE_SIZE) #ifdef CONFIG_MICROCODE_AMD extern void __init load_ucode_amd_bsp(unsigned int family);