linux-kernel - Re: [Fdutils] DMA cache consistency bug introduced in 2.6.28

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Date:	Wed, 23 Dec 2009 10:01:00 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Mark Hounschell <markh@...pro.net>
cc:	Andi Kleen <andi@...stfloor.org>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	"dmarkh@....rr.com" <dmarkh@....rr.com>,
	Alain Knaff <alain@...ff.lu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"fdutils@...tils.linux.lu" <fdutils@...tils.linux.lu>,
	"Li, Shaohua" <shaohua.li@...el.com>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [Fdutils] DMA cache consistency bug introduced in 2.6.28



On Wed, 23 Dec 2009, Mark Hounschell wrote:
> 
> I'll try the patch Linus provided now.

I doubt it matters - because if it did, it would matter for everybody, and 
the HPET thing shouldn't make any difference at all.

[ Or rather, it should matter for everybody trying to format a specific 
  format (without interleave it won't matter, and not all formats have any 
  interleave - I think it was mainly used on 5.25" floppies and special 
  formats). ]

Besides, maybe I was just mis-reading the code.

But getting some testing for the patch certainly won't hurt, so I'm not 
going to argue against it any more ;)

		Linus
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