linux-kernel - Re: linux-next: Tree for July 16 (crash on quad core AMD)

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Message-ID: <4883DA8C.5030306@gmail.com>
Date:	Mon, 21 Jul 2008 09:38:36 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Pierre Ossman <drzeus@...eus.cx>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	scsi <linux-scsi@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	linux-ide <linux-ide@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>, Takashi Iwai <tiwai@...e.de>,
	tino.keitel@....de
Subject: Re: linux-next: Tree for July 16 (crash on quad core AMD)

Hello, Pierre.

Pierre Ossman wrote:
> I've converted my code to use your implementation instead, and it seems
> to be working perfectly.

Cool.

> How comfortable to you feel about your patch? :)

I think it should be okay (well, of course :-) and tested a few corner
cases by modifying the copy function.

> This fixes a big problem in the sdhci driver where falling back on PIO
> (because of hw DMA bugs) would create lots of potential issues as the
> driver couldn't access highmem pages. I'd like to get this fix in for
> 2.6.27, which means that your patch also needs to go in now.

I think it needs an ACK from Jens.  Jens?

-- 
tejun
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