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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 68D6AC63798 for ; Sun, 22 Nov 2020 15:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4051B20776 for ; Sun, 22 Nov 2020 15:33:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727897AbgKVPcq (ORCPT ); Sun, 22 Nov 2020 10:32:46 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:44461 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727740AbgKVPcq (ORCPT ); Sun, 22 Nov 2020 10:32:46 -0500 Received: from mail-lf1-f69.google.com ([209.85.167.69]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1kgrM4-0007TO-01 for linux-kernel@vger.kernel.org; Sun, 22 Nov 2020 15:32:44 +0000 Received: by mail-lf1-f69.google.com with SMTP id m12so5488838lfa.2 for ; Sun, 22 Nov 2020 07:32:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=g9evwnH39CJFfcj3FvZu2zi+TDnPYv0kuormvhxYBAA=; b=If7Fl5aKt8L3ZIsP0kpVh/oyikH8Qg57xkiCaYFXzIoaXlXHgAfb+L+SiEfL4NZ/1n VRoX41o2rKLHxwoUG2lPV5YP8eRvjQUTiTHIq0rBGP7CAU0fo7XxhKN3bh90ldJnSyHz OdsRPpzlpi6fCHcaGFNHhSMzAns3oYwv8z0rxT9aZ6osMrBAuy5TovufLr0n1nD2Zjn+ aWl1NoAEyMmRLuZPaGQcSDZtX16o7vzE+vahMaeukthwnmGBTiUYMIwM7uG19VmczMtF HqbnUVKnV4QvfplNnWgT+pAAmaqmhJ7KY8b39R1LnifGny/o5jyxqMAyxVmIjszP8HrN xZzQ== X-Gm-Message-State: AOAM5302VadExYQ0UPh8WBL9rRsjFH1Uj4krFixEkOFYCvZxfO0bgQEc XLXle2ZHoYqIFBKyyv8pYgG0TzTid3naAJmQXvEVI1J2JMIS/SPDBjsjeXO2PBs2fwHa2ymk3se i2yWh0v1EzEsK4bumIe3BzZEaENHf2Ii2C74VYLYiy0U7cSQj/ApYNKGZ5g== X-Received: by 2002:a17:906:c244:: with SMTP id bl4mr19269100ejb.430.1606059162568; Sun, 22 Nov 2020 07:32:42 -0800 (PST) X-Google-Smtp-Source: ABdhPJwnEWK3w+i2158MoX6RM4KiZ/7sCV4gPqKTsqAdtmrUEEmnYH/vrzA+/LOucs/sVWiFMzq0TUHBOTV4uu1By1Y= X-Received: by 2002:a17:906:c244:: with SMTP id bl4mr19269067ejb.430.1606059162349; Sun, 22 Nov 2020 07:32:42 -0800 (PST) MIME-Version: 1.0 References: <20201118232431.21832-1-saeed.mirzamohammadi@oracle.com> In-Reply-To: From: Guilherme Piccoli Date: Sun, 22 Nov 2020 12:32:06 -0300 Message-ID: Subject: Re: [PATCH 1/1] kernel/crash_core.c - Add crashkernel=auto for x86 and ARM To: Kairui Song , Dave Young Cc: Saeed Mirzamohammadi , Geert Uytterhoeven , linux-doc@vger.kernel.org, Catalin Marinas , Bjorn Andersson , "H. Peter Anvin" , Will Deacon , Anson Huang , Jonathan Corbet , "the arch/x86 maintainers" , Michael Walle , Krzysztof Kozlowski , Ingo Molnar , Vivek Goyal , John Donnelly , Arnd Bergmann , Borislav Petkov , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Baoquan He , "Martin K. Petersen" , Randy Dunlap , kexec mailing list , Linux Kernel Mailing List , "# v4 . 16+" , Li Yang , Miguel Ojeda , Vinod Koul , =?UTF-8?Q?Diego_Elio_Petten=C3=B2?= , Olof Johansson , Shawn Guo Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Dave and Kairui, thanks for your responses! OK, if that makes sense to you I'm fine with it. I'd just recommend to test recent kernels in multiple distros with the minimum "range" to see if 64M is enough for crashkernel, maybe we'd need to bump that. Cheers, Guilherme