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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 BN1PEPF00004680.mail.protection.outlook.com (10.167.243.85) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7611.14 via Frontend Transport; Thu, 23 May 2024 15:56:57 +0000 Received: from quartz-7b1chost.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 15.1.2507.35; Thu, 23 May 2024 10:56:56 -0500 From: Yazen Ghannam To: CC: , , , , , Yazen Ghannam Subject: [PATCH 2/9] x86/mce: Remove unused variable and return value in machine_check_poll() Date: Thu, 23 May 2024 10:56:34 -0500 Message-ID: <20240523155641.2805411-3-yazen.ghannam@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240523155641.2805411-1-yazen.ghannam@amd.com> References: <20240523155641.2805411-1-yazen.ghannam@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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: BN1PEPF00004680:EE_|SN7PR12MB8769:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f85c2d2-1890-40a6-96ed-08dc7b40f983 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|376005|82310400017|36860700004|1800799015; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 May 2024 15:56:57.3573 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4f85c2d2-1890-40a6-96ed-08dc7b40f983 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: BN1PEPF00004680.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB8769 The recent CMCI storm handling rework removed the last case that checks the return value of machine_check_poll(). Therefore the "error_seen" variable is no longer used, so remove it. Fixes: 3ed57b41a412 ("x86/mce: Remove old CMCI storm mitigation code") Signed-off-by: Yazen Ghannam --- arch/x86/include/asm/mce.h | 3 ++- arch/x86/kernel/cpu/mce/core.c | 7 +------ 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index de3118305838..bc3813c94c79 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -259,7 +259,8 @@ enum mcp_flags { MCP_DONTLOG = BIT(2), /* only clear, don't log */ MCP_QUEUE_LOG = BIT(3), /* only queue to genpool */ }; -bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b); + +void machine_check_poll(enum mcp_flags flags, mce_banks_t *b); int mce_notify_irq(void); diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index b5cc557cfc37..287108de210e 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -677,10 +677,9 @@ DEFINE_PER_CPU(unsigned, mce_poll_count); * is already totally * confused. In this case it's likely it will * not fully execute the machine check handler either. */ -bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b) +void machine_check_poll(enum mcp_flags flags, mce_banks_t *b) { struct mce_bank *mce_banks = this_cpu_ptr(mce_banks_array); - bool error_seen = false; struct mce m; int i; @@ -754,8 +753,6 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b) continue; log_it: - error_seen = true; - if (flags & MCP_DONTLOG) goto clear_it; @@ -787,8 +784,6 @@ bool machine_check_poll(enum mcp_flags flags, mce_banks_t *b) */ sync_core(); - - return error_seen; } EXPORT_SYMBOL_GPL(machine_check_poll); -- 2.34.1