From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH] panic.c: export panic_on_oops From: David Woodhouse To: Ingo Molnar 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 Content-Transfer-Encoding: 7bit Cc: Artem Bityutskiy , LKML , "Koskinen Aaro \(Nokia-D/Helsinki\)" , linux-mtd , Simon Kagstrom , Andrew Morton , Linus Torvalds , Alan Cox List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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