Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932124AbZJLNdX (ORCPT ); Mon, 12 Oct 2009 09:33:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755178AbZJLNdX (ORCPT ); Mon, 12 Oct 2009 09:33:23 -0400 Received: from casper.infradead.org ([85.118.1.10]:37704 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755099AbZJLNdW (ORCPT ); Mon, 12 Oct 2009 09:33:22 -0400 Subject: Re: [PATCH] panic.c: export panic_on_oops From: David Woodhouse To: Ingo Molnar Cc: Alan Cox , Simon Kagstrom , Artem Bityutskiy , Linus Torvalds , Andrew Morton , "Koskinen Aaro (Nokia-D/Helsinki)" , linux-mtd , LKML In-Reply-To: <20091012132503.GD25464@elte.hu> References: <1255241458-11665-1-git-send-email-dedekind1@gmail.com> <20091012111545.GB8857@elte.hu> <1255346731.9659.31.camel@localhost> <20091012113758.GB11035@elte.hu> <20091012140149.6789efab@marrow.netinsight.se> <20091012120951.GA16799@elte.hu> <20091012142714.56362465@marrow.netinsight.se> <20091012123210.GB22766@elte.hu> <20091012140821.5dfa1598@lxorguk.ukuu.org.uk> <20091012132503.GD25464@elte.hu> Content-Type: text/plain; charset="UTF-8" Date: Mon, 12 Oct 2009 14:32:22 +0100 Message-Id: <1255354342.30919.17.camel@macbook.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.28.0 (2.28.0-2.fc12) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 813 Lines: 21 On Mon, 2009-10-12 at 15:25 +0200, Ingo Molnar wrote: > > I care about this because i still havent given up hope that the company > you are working for will finally give us some permanent storage in the > CPU itself, so that we can have cross-reboot printk buffering ;-) Why would it have to be in the CPU? If we had decent firmware, couldn't we just look at the old kernel's log_buf in RAM? On machines where coreboot is supported (which is mostly machines _other_ than those from my employer, unfortunately), you ought to be able to do this today. -- dwmw2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/