Received: by 2002:a05:6a10:8395:0:0:0:0 with SMTP id n21csp621549pxh; Tue, 9 Nov 2021 16:19:35 -0800 (PST) X-Google-Smtp-Source: ABdhPJxW5RI3ZsxyKnWjvURfmJE1pd/f/UJHbF2PiMor+Ss3JtFt94RntEFpQfVSrsu6oqTLlecU X-Received: by 2002:a05:6e02:1989:: with SMTP id g9mr8547482ilf.61.1636503574957; Tue, 09 Nov 2021 16:19:34 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1636503574; cv=none; d=google.com; s=arc-20160816; b=p8MAVwyjQxbKGxAR+8/GcCQgNt8Aay6jDMCBph8SKbAMOTzb+2SzKPO+XmtBQOD9L9 Vqj9Yc+h11HQOPxmL9LY9ByAe+1jvXkQp12p6sqdemkaCgDLlBwyGrWOjT0eAmhn+6HE e4CmoWBzVIKXO+hie+QAhS4Winp3yRtUiRKuEiPyUbXhbSm274MlLhmKhsIyJ/TYoKGI av3N5HmIE5/A4NHGq7aOOyIRCzWVNlwvxsmUAL898cagB4C10x09VIjyl1UW0qzHOYfg lVjIUr2Z7vkVXrm39WOrLSD6TRezc5sHzJfq1nlBa4PTm9DjBHTsEi/C/PpAwciuL/xa 4ZVw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=Y1yckhV8f2NZmOsVKhUWwzpqMX8vfzRTxNCsTR573GE=; b=X54nSRVhZfON3U4to3dSFu5IOB1FG+f1qPfyKLpO2GoxQ60kwunD0FLTOrdwcXAI9S zaedexasK4iNqxJ6L4ZxMVyB2ggJFit5iU8BIo87rAsyRWbmC1e9eLRwy+p4dK09p2tT 0/XpskQwlN1zMGxMN7VRoKF7u7Wauiq4yIwpj7gU8P/SaEVFvMsedDG1Fb1t/5zAuiRZ pC0IzZ36AM77R8gxtOC/kT1AunCTEAvIGRMyCj3wZ7qGjVBnj7exhmu28CeIA7R0PZtA xrX7iKxCnF2442sJau05Jt3riWuF8XZIobFxm2+r3MD/AQ9fT7qWyJ/TH5yI0TL3l2mn 9vfQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@igalia.com header.s=20170329 header.b=nZ74xeAu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s8si39553962ilu.48.2021.11.09.16.19.22; Tue, 09 Nov 2021 16:19:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@igalia.com header.s=20170329 header.b=nZ74xeAu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234878AbhKIUt4 (ORCPT + 97 others); Tue, 9 Nov 2021 15:49:56 -0500 Received: from fanzine2.igalia.com ([213.97.179.56]:33716 "EHLO fanzine.igalia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S239911AbhKIUtz (ORCPT ); Tue, 9 Nov 2021 15:49:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject:Cc:To:From; bh=Y1yckhV8f2NZmOsVKhUWwzpqMX8vfzRTxNCsTR573GE=; b=nZ74xeAujHm+BlFzcvSjKeg2lMunufqDlvtjhRvKTWGql20xIEb8Ao6PYfZ0iPrj3w8Ops9CU+qnjFKzizfrGBJYehnSLdwKv65U8XxoswVJkycts3/ip6i/spmwHgL3HSUALAQuBnQD99wMohJHyPJbo10+LpcF99vNVEHpoVHovVg7uu1sSxwvzKE46IuqTx8zaojIk1MFnL+0HFcP2ZO1V7/dWaVIebXyxH8govojTbsJKuNsoE9J7+MFAWn4Sy+R/fEXGjYcLdwV4S3mvGYjuX9PgER/rGfyp0z9S5gsqHEdev9WHTBx6qB+wexpuJL6DNqevA7Z3G7HEaKHpg==; Received: from 201-95-14-182.dsl.telesp.net.br ([201.95.14.182] helo=localhost) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1mkXkQ-0000IS-HQ; Tue, 09 Nov 2021 21:29:40 +0100 From: "Guilherme G. Piccoli" To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: linux-doc@vger.kernel.org, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, akpm@linux-foundation.org, feng.tang@intel.com, siglesias@igalia.com, kernel@gpiccoli.net, gpiccoli@igalia.com Subject: [PATCH 0/3] Some improvements on panic_print Date: Tue, 9 Nov 2021 17:28:45 -0300 Message-Id: <20211109202848.610874-1-gpiccoli@igalia.com> X-Mailer: git-send-email 2.33.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey everybody, this is a mix of a documentation fix with some additions to the "panic_print" syscall / parameter. The goal here is being able to collect all CPUs backtraces during a panic event and also to enable "panic_print" in a kdump event - details of the reasoning and design choices in the patches. Thanks in advance for reviews! Cheers, Guilherme Guilherme G. Piccoli (3): docs: sysctl/kernel: Add missing bit to panic_print panic: Add option to dump all CPUs backtraces in panic_print panic: Allow printing extra panic information on kdump Documentation/admin-guide/kernel-parameters.txt | 1 + Documentation/admin-guide/sysctl/kernel.rst | 2 ++ kernel/panic.c | 11 +++++++++++ 3 files changed, 14 insertions(+) -- 2.33.1