linux-kernel - Re: [PATCH -mm] intel-iommu sg chaining support

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Message-ID: <20071003211452.GA14189@askeshav-devel.jf.intel.com>
Date:	Wed, 3 Oct 2007 14:14:53 -0700
From:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>,
	tomof@....org, linux-kernel@...r.kernel.org, jens.axboe@...cle.com,
	fujita.tomonori@....ntt.co.jp
Subject: Re: [PATCH -mm] intel-iommu sg chaining support

On Wed, Oct 03, 2007 at 02:12:03PM -0700, Andrew Morton wrote:
> On Mon, 1 Oct 2007 09:12:56 -0700
> "Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com> wrote:
> 
> > On Sat, Sep 29, 2007 at 05:16:38AM -0700, FUJITA Tomonori wrote:
> > > 
> > >    x86_64 defines ARCH_HAS_SG_CHAIN. So if IOMMU implementations don't
> > >    support sg chaining, we will get data corruption.
> > >    Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> > 
> > Acked-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
> > 
> 
> Am I correct in believing that this patch is needed only when the
> chaining patches which are presently in git-block are combined with the
> intel-iommu work which is presently in -mm?
Yes, that is correct. 

-Anil
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