Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp987236yba; Thu, 16 May 2019 12:11:41 -0700 (PDT) X-Google-Smtp-Source: APXvYqzDfnZOoKuccsXr2oCPMHAbBNeHC/mugx0dvcd/a/s9A3m0AIyTU5KNF+EZQMAwQHkrRIap X-Received: by 2002:a17:902:363:: with SMTP id 90mr52870350pld.131.1558033901069; Thu, 16 May 2019 12:11:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558033901; cv=none; d=google.com; s=arc-20160816; b=N9h+GJz8gV/jaXfUan7QCU/vwl2fYTk81oGCGAb7cR6PvfLlvVnk0w9h5KWezeDVuD WRydq5oDUmbVNvoTc0hrM2vF/sg+gT8nNCd0S8GVKjaUyV8TujW+NBx8BaLo8MISDmwC 4TO27cpqq1URfEFsQ1DNGtcvhME3x/giRfsTzyvO++lNC2lLKAH7XG/b7mgx8kXTtqlY dAUbfZyc3VvLy5bz92pkJV6cUUU5sy0B7LYFcY5uRXQ5+GPwLQ0MIa8unkZhFJvTu9a5 NV08VuSY1iP7vC0W5Ha8gMkE0zchfR8Sl0W+SefoR5RMIXWH3UflfDOvmxml62LiTWvj hhPA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=vmGwvKnfV9pbjqSmYePe3ZNa4VauOMV+30PV9H7vZDU=; b=pxQr2RgKBLYo55+gqr3JGLYOaPwalLrmurJDyTYqqzCNyUHjic7wgS1c6WJFuePWAO Ba0qNHeOib8pgqiGnrkHjZN84BkayLk7+QX3jXdcF18DhC45Fm0WWGigRbAV4aOvarKS IduPZN+kZpjKdNlhLAs5GM/0O0cAHXYBdLYzYErUTB1QRmjd1ZdGcNb3WjcxpEwW/+H7 qhIHIC6sFB/JtKG2/QTAPWg+RB6TTwQhl/0RVP6YPy60OtAxpH1zUS0c2jG+uHfCVHAu 8so+73xL8TTp7ZSoi4MqMIj9PulfjJRBPkOPr8R2sxvD18tR1g5U+gFSqHEkcJNjoi6K dtvA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=iki.fi Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f10si5872840pgg.348.2019.05.16.12.11.25; Thu, 16 May 2019 12:11:41 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=iki.fi Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728753AbfEPS3x (ORCPT + 99 others); Thu, 16 May 2019 14:29:53 -0400 Received: from emh06.mail.saunalahti.fi ([62.142.5.116]:54116 "EHLO emh06.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726357AbfEPS3x (ORCPT ); Thu, 16 May 2019 14:29:53 -0400 Received: from darkstar.musicnaut.iki.fi (85-76-51-100-nat.elisa-mobile.fi [85.76.51.100]) by emh06.mail.saunalahti.fi (Postfix) with ESMTP id 25497300CD; Thu, 16 May 2019 21:29:50 +0300 (EEST) Date: Thu, 16 May 2019 21:29:49 +0300 From: Aaro Koskinen To: Prasad Sodagudi Cc: sudeep.holla@arm.com, julien.thierry@arm.com, will.deacon@arm.com, catalin.marinas@arm.com, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] kernel/panic: Use SYSTEM_RESET2 command for warm reset Message-ID: <20190516182949.GD10985@darkstar.musicnaut.iki.fi> References: <1557366432-352469-1-git-send-email-psodagud@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1557366432-352469-1-git-send-email-psodagud@codeaurora.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, May 08, 2019 at 06:47:12PM -0700, Prasad Sodagudi wrote: > Some platforms may need warm reboot support when kernel crashed > for post mortem analysis instead of cold reboot. So use config > CONFIG_WARM_REBOOT_ON_PANIC and SYSTEM_RESET2 psci command > support for warm reset. Please see commit b287a25a7148 - you can now use kernel command line option reboot=panic_warm to get this. A.