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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 BN8NAM11FT101.mail.protection.outlook.com (10.13.177.126) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5709.10 via Frontend Transport; Wed, 5 Oct 2022 15:41:17 +0000 Received: from ashkalraubuntuserver.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 15.1.2375.28; Wed, 5 Oct 2022 10:41:15 -0500 From: Ashish Kalra To: CC: , , , , , , , , Subject: [PATCH] ACPI: APEI: Fix num_ghes to unsigned int Date: Wed, 5 Oct 2022 15:41:05 +0000 Message-ID: <20221005154105.454809-1-Ashish.Kalra@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221004230541.449243-1-Ashish.Kalra@amd.com> References: <20221004230541.449243-1-Ashish.Kalra@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: BN8NAM11FT101:EE_|MW4PR12MB7014:EE_ X-MS-Office365-Filtering-Correlation-Id: 7b8e2b97-1ef1-43de-d1f5-08daa6e80b3e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Oct 2022 15:41:17.6855 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7b8e2b97-1ef1-43de-d1f5-08daa6e80b3e 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: BN8NAM11FT101.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7014 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Yes, on one of our AMD EPYC processors, num_ghes is 32776 and we get the following call trace due to vmalloc() failure beacuse of the overflow: [ 9.317108] swapper/0: vmalloc error: size 18446744071562596352, exceeds total pages, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 9.317125] CPU: 256 PID: 1 Comm: swapper/0 Not tainted 5.19.0-rc6-snp-host-61a51248451b #1 [ 9.317129] Hardware name: AMD Corporation QUARTZ/QUARTZ, BIOS TQZ1002E 09/28/2022 [ 9.317131] Call Trace: [ 9.317134] [ 9.317137] dump_stack_lvl+0x49/0x5f [ 9.317145] dump_stack+0x10/0x12 [ 9.317146] warn_alloc.cold+0x7b/0xdf [ 9.317150] ? __device_attach+0x16a/0x1b0 [ 9.317155] __vmalloc_node_range+0x702/0x740 [ 9.317160] ? device_add+0x17f/0x920 [ 9.317164] ? dev_set_name+0x53/0x70 [ 9.317166] ? platform_device_add+0xf9/0x240 [ 9.317168] __vmalloc_node+0x49/0x50 [ 9.317170] ? ghes_estatus_pool_init+0x43/0xa0 [ 9.317176] vmalloc+0x21/0x30 [ 9.317177] ghes_estatus_pool_init+0x43/0xa0 [ 9.317179] acpi_hest_init+0x129/0x19c [ 9.317185] acpi_init+0x434/0x4a4 [ 9.317188] ? acpi_sleep_proc_init+0x2a/0x2a [ 9.317190] do_one_initcall+0x48/0x200 [ 9.317195] kernel_init_freeable+0x221/0x284 [ 9.317200] ? rest_init+0xe0/0xe0 [ 9.317204] kernel_init+0x1a/0x130 [ 9.317205] ret_from_fork+0x22/0x30 [ 9.317208] Thanks, Ashish