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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 996FFC6FA99 for ; Sun, 12 Mar 2023 20:38:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231232AbjCLUin (ORCPT ); Sun, 12 Mar 2023 16:38:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230233AbjCLUil (ORCPT ); Sun, 12 Mar 2023 16:38:41 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39106241CB; Sun, 12 Mar 2023 13:38:37 -0700 (PDT) Date: Sun, 12 Mar 2023 20:38:33 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1678653515; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=S8phezYGkV4ZFxG7GBTMyfW74H5g3ySQBRmXlT502Xs=; b=d/rRk4Uk7vsF1DgIlNSMRjyFl0PdtHlENZl3UhP0e5tOJTBJyhQpH0yZUSQiq8Kc/0D6kq pr1B5MoDvU4cHzvXtaZPFIbrlcg2H6rfujJShlYLIh1Zh+76I1CY3X9GUrQVstlRha+ysi eovjkQCC/wLWqgHO/4GP+UdJIK+FoFk8rC5mGiOtifcF5cWiNrg22sjo6tWf4j5bK8J8bC cO8cWe+TQ78LWdOdA0FsvF30rfPYOoY7qRPZ7sS4BXkDDqQUueSndeEsE2PP8CzsS1xWP/ /eOeoGuUTtG0lVNvML4o5v1VVkh+XFn+tf1pDgiQcmoGHLdiNhMdjDjfOJ8Q2g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1678653515; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=S8phezYGkV4ZFxG7GBTMyfW74H5g3ySQBRmXlT502Xs=; b=JXzPiDfYhO+5BWfNMFyUyTKUkBcUZzUPgOZIx8bgdqaPgIZ2NfEtjYXcC0CZBtAV2ZRyHM 45tB3uoETAJL1iDg== From: "tip-bot2 for Yazen Ghannam" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: ras/urgent] x86/mce: Make sure logged MCEs are processed after sysfs update Cc: Yazen Ghannam , "Borislav Petkov (AMD)" , Tony Luck , stable@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20230301221420.2203184-1-yazen.ghannam@amd.com> References: <20230301221420.2203184-1-yazen.ghannam@amd.com> MIME-Version: 1.0 Message-ID: <167865351393.5837.17719714572303479044.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the ras/urgent branch of tip: Commit-ID: 4783b9cb374af02d49740e00e2da19fd4ed6dec4 Gitweb: https://git.kernel.org/tip/4783b9cb374af02d49740e00e2da19fd4ed6dec4 Author: Yazen Ghannam AuthorDate: Wed, 01 Mar 2023 22:14:20 Committer: Borislav Petkov (AMD) CommitterDate: Sun, 12 Mar 2023 21:12:21 +01:00 x86/mce: Make sure logged MCEs are processed after sysfs update A recent change introduced a flag to queue up errors found during boot-time polling. These errors will be processed during late init once the MCE subsystem is fully set up. A number of sysfs updates call mce_restart() which goes through a subset of the CPU init flow. This includes polling MCA banks and logging any errors found. Since the same function is used as boot-time polling, errors will be queued. However, the system is now past late init, so the errors will remain queued until another error is found and the workqueue is triggered. Call mce_schedule_work() at the end of mce_restart() so that queued errors are processed. Fixes: 3bff147b187d ("x86/mce: Defer processing of early errors") Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Tony Luck Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230301221420.2203184-1-yazen.ghannam@amd.com --- arch/x86/kernel/cpu/mce/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 7832a69..2eec60f 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -2355,6 +2355,7 @@ static void mce_restart(void) { mce_timer_delete_all(); on_each_cpu(mce_cpu_restart, NULL, 1); + mce_schedule_work(); } /* Toggle features for corrected errors */