linux-kernel - Re: [PATCH v11 4/5] core: Add kernel message dumper to call on oopses and panics

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Message-ID: <20091026163719.4ab82a4e@marrow.netinsight.se>
Date:	Mon, 26 Oct 2009 16:37:19 +0100
From:	Simon Kagstrom <simon.kagstrom@...insight.net>
To:	"Shargorodsky Atal (EXT-Teleca/Helsinki)" 
	<ext-atal.shargorodsky@...ia.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Artem Bityutskiy <dedekind1@...il.com>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Koskinen Aaro (Nokia-D/Helsinki)" <aaro.koskinen@...ia.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH v11 4/5] core: Add kernel message dumper to call on
 oopses and panics

On Mon, 26 Oct 2009 17:13:27 +0200
"Shargorodsky Atal (EXT-Teleca/Helsinki)" <ext-atal.shargorodsky@...ia.com> wrote:

> How about adding KMSG_DUMP_LAST_OOPS_BEFORE_PANIC or something to the
> kmsg_dump_reason enum, and making the kmsg_dump look like
> kmsg_dump(panic_on_oops ? KMSG_DUMP_LAST_OOPS_BEFORE_PANIC : KMSG_DUMP_OOPS);
> in oops_exit. Then let the dumpers decide what they want to do about it.
> Just a thought.

It would also have to take in_interrupt() in account since that will
also lead to a panic.

> And since you have no objections about moving notifiers up, it looks
> like the second issue will be resolved, I believe Artem
> will take care of it. :)

Well, I have no objections to it, but I also know very little of the
reasoning to put it there in the first place, so don't count my vote
for very much here :-)

// Simon
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