From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4C6CC433EF for ; Fri, 17 Sep 2021 10:54:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C94166113A for ; Fri, 17 Sep 2021 10:54:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243948AbhIQKzf (ORCPT ); Fri, 17 Sep 2021 06:55:35 -0400 Received: from mail.skyhub.de ([5.9.137.197]:50650 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241743AbhIQKza (ORCPT ); Fri, 17 Sep 2021 06:55:30 -0400 Received: from zn.tnic (p200300ec2f127e008eb9261aa740485d.dip0.t-ipconnect.de [IPv6:2003:ec:2f12:7e00:8eb9:261a:a740:485d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D81191EC0535; Fri, 17 Sep 2021 12:54:06 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1631876047; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Vy1W7WeWioZYr3c6nz4E+1brIo1mbkqKAToKPajIUxU=; b=P3pkXZKvFrlkgpD7ToN6miZXkwJtk1QIyUwfWuPERVE+dJrxgcj4xqkqiBxuTsc34/qlo/ K3ZrFa/EdIjbnnDAWOvrPnWFxt5lPZc2l0ePAPWo7jDGcuii9jhqEcFv8j1aeKZFfWQGoQ 65gJfqzXlJV22qYCpKdRxon6YPL9JSw= From: Borislav Petkov To: Tony Luck , Yazen Ghannam Cc: X86 ML , LKML Subject: [PATCH 1/4] x86/mce: Get rid of the mce_severity function pointer Date: Fri, 17 Sep 2021 12:53:52 +0200 Message-Id: <20210917105355.2368-2-bp@alien8.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210917105355.2368-1-bp@alien8.de> References: <20210917105355.2368-1-bp@alien8.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov Turn it into a normal function which calls an AMD- or Intel-specific variant depending on the CPU it runs on. No functional changes. Signed-off-by: Borislav Petkov --- arch/x86/include/asm/mce.h | 2 -- arch/x86/kernel/cpu/mce/core.c | 1 - arch/x86/kernel/cpu/mce/internal.h | 3 +-- arch/x86/kernel/cpu/mce/severity.c | 11 +++++------ 4 files changed, 6 insertions(+), 11 deletions(-) diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index da9321548f6f..258ef6d9955c 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -205,14 +205,12 @@ struct cper_ia_proc_ctx; int mcheck_init(void); void mcheck_cpu_init(struct cpuinfo_x86 *c); void mcheck_cpu_clear(struct cpuinfo_x86 *c); -void mcheck_vendor_init_severity(void); int apei_smca_report_x86_error(struct cper_ia_proc_ctx *ctx_info, u64 lapic_id); #else static inline int mcheck_init(void) { return 0; } static inline void mcheck_cpu_init(struct cpuinfo_x86 *c) {} static inline void mcheck_cpu_clear(struct cpuinfo_x86 *c) {} -static inline void mcheck_vendor_init_severity(void) {} static inline int apei_smca_report_x86_error(struct cper_ia_proc_ctx *ctx_info, u64 lapic_id) { return -EINVAL; } #endif diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 8cb7816d03b4..fa38d51d9a23 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -2207,7 +2207,6 @@ int __init mcheck_init(void) mce_register_decode_chain(&early_nb); mce_register_decode_chain(&mce_uc_nb); mce_register_decode_chain(&mce_default_nb); - mcheck_vendor_init_severity(); INIT_WORK(&mce_work, mce_gen_pool_process); init_irq_work(&mce_irq_work, mce_irq_work_cb); diff --git a/arch/x86/kernel/cpu/mce/internal.h b/arch/x86/kernel/cpu/mce/internal.h index 88dcc79cfb07..09cb5ab9a81d 100644 --- a/arch/x86/kernel/cpu/mce/internal.h +++ b/arch/x86/kernel/cpu/mce/internal.h @@ -38,8 +38,7 @@ int mce_gen_pool_add(struct mce *mce); int mce_gen_pool_init(void); struct llist_node *mce_gen_pool_prepare_records(void); -extern int (*mce_severity)(struct mce *a, struct pt_regs *regs, - int tolerant, char **msg, bool is_excp); +int mce_severity(struct mce *a, struct pt_regs *regs, int tolerant, char **msg, bool is_excp); struct dentry *mce_get_debugfs_dir(void); extern mce_banks_t mce_banks_ce_disabled; diff --git a/arch/x86/kernel/cpu/mce/severity.c b/arch/x86/kernel/cpu/mce/severity.c index 17e631443116..695570fadb5e 100644 --- a/arch/x86/kernel/cpu/mce/severity.c +++ b/arch/x86/kernel/cpu/mce/severity.c @@ -407,15 +407,14 @@ static int mce_severity_intel(struct mce *m, struct pt_regs *regs, } } -/* Default to mce_severity_intel */ -int (*mce_severity)(struct mce *m, struct pt_regs *regs, int tolerant, char **msg, bool is_excp) = - mce_severity_intel; - -void __init mcheck_vendor_init_severity(void) +int mce_severity(struct mce *m, struct pt_regs *regs, int tolerant, char **msg, + bool is_excp) { if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD || boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) - mce_severity = mce_severity_amd; + return mce_severity_amd(m, regs, tolerant, msg, is_excp); + else + return mce_severity_intel(m, regs, tolerant, msg, is_excp); } #ifdef CONFIG_DEBUG_FS -- 2.29.2