linux-kernel - Re: [bug] ata subsystem related crash with latest -git

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Message-ID: <20071018120950.GX5063@kernel.dk>
Date:	Thu, 18 Oct 2007 14:09:50 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	David Miller <davem@...emloft.net>
Cc:	torvalds@...ux-foundation.org, fujita.tomonori@....ntt.co.jp,
	mingo@...e.hu, linux-kernel@...r.kernel.org, jgarzik@...ox.com,
	alan@...rguk.ukuu.org.uk, tomof@....org
Subject: Re: [bug] ata subsystem related crash with latest -git

On Thu, Oct 18 2007, David Miller wrote:
> From: Jens Axboe <jens.axboe@...cle.com>
> Date: Thu, 18 Oct 2007 13:57:02 +0200
> 
> > Thanks a lot, Dave! The patch is a monster right now, I'll work on
> > splitting it into a 3-step process. Any arch help is greatly
> > appreciated.
> 
> I have some other bits that my compile hit, such as some things in the
> crypto layer.

Yeah, I have tons of that so far. I hope to have an allyesconfig
compiling pretty soonish, will send that out then.

> But I hesitate to send them to you because I think the on-stack cases
> need some helpers such that DEBUG_SG works for them.

Indeed. I convert where appropriate, but I'm not anal about it. If they
don't use sg_next() and/or for_each_sg() on their list, it should be ok.
Don't want to make the changes more than necessary right now.

> BTW, you missed a case in drivers/usb/core/message.c because of
> the config used in your build.  This thing below is a good
> argument for trying to avoid HIGHMEM et al. ifdefs in drivers :-)

Thanks :-)

-- 
Jens Axboe

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