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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 EB144C04AB4 for ; Fri, 17 May 2019 18:03:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AD77621743 for ; Fri, 17 May 2019 18:03:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="NDgI8+6C"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="FQuv3ev3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729020AbfEQSD1 (ORCPT ); Fri, 17 May 2019 14:03:27 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:60836 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727183AbfEQSD1 (ORCPT ); Fri, 17 May 2019 14:03:27 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 6CC8660709; Fri, 17 May 2019 18:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1558116206; bh=IbnAGN0DIJaVE08Oe3a19rRp+gftn7Ija/z3WCGwkO0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=NDgI8+6CYqnF8diJemuqlcWXw/rstDhr6EhAJpNjtQViz20zqZfb/HRBA409/ptji BK9U78AP6MF65458eeJ2yCLPVSqmi/icnfLP3rfEaBTRLoB+toygC420X2ylZmKUIn quFWas97jXQ2y5CfxNmqUzpL9byhGtv9hgbqwL2Y= Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id CA38F60709; Fri, 17 May 2019 18:03:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1558116205; bh=IbnAGN0DIJaVE08Oe3a19rRp+gftn7Ija/z3WCGwkO0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FQuv3ev3EX9qWa2YCFlsJLLzSG2NzmK3M4Bqbi5/hsQe6ONxTcLSituDiE5n7nNb0 n/d7lWdlwjS0dTCJla9dRqo+2otFs7mN92+PUVBuYjQgl5IwvVKNOZ40uE2tHJkPnH PjGQOez5db7UBgcDNXJXLUC8eahmjBe6eHaz1h1Y= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 17 May 2019 11:03:25 -0700 From: Sodagudi Prasad To: Aaro Koskinen 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 In-Reply-To: <20190516182949.GD10985@darkstar.musicnaut.iki.fi> References: <1557366432-352469-1-git-send-email-psodagud@codeaurora.org> <20190516182949.GD10985@darkstar.musicnaut.iki.fi> Message-ID: X-Sender: psodagud@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-05-16 11:29, Aaro Koskinen wrote: > 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. Thanks Aaro. Yes. I can use this option. Thanks Sudeep and all for discussing. > > A. -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, Linux Foundation Collaborative Project