From: FUJITA Tomonori <tomof@acm.org>
To: James.Bottomley@SteelEye.com
Cc: tomof@acm.org, muli@il.ibm.com, jens.axboe@oracle.com,
hch@infradead.org, jeff@garzik.org, gregkh@suse.de, hare@suse.de,
linux-scsi@vger.kernel.org, fujita.tomonori@lab.ntt.co.jp
Subject: Re: [PATCH 0/5] fix iommu sg list merge problem
Date: Wed, 26 Sep 2007 23:48:48 +0900 [thread overview]
Message-ID: <20070925201447C.tomof@acm.org> (raw)
In-Reply-To: <1190817512.3359.16.camel@localhost.localdomain>
On Wed, 26 Sep 2007 09:38:32 -0500
James Bottomley <James.Bottomley@SteelEye.com> wrote:
> On Wed, 2007-09-26 at 23:34 +0900, FUJITA Tomonori wrote:
> > Yeah, I thought about it and it's possible (but not so easy). parisc
> > has IOMMU merging helper code and two parisc IOMMUs use it. ia64
> > sba_iommu is almost identical to parisc code. x86_64 gart, power, and
> > alpha do in their own way. But I think that we can merging helper code
> > useful for all.
>
> Er ... it should be identical ... the SBA iommu is the same ... I
> thought we moved the common code out to a shared file.
2.6.23-rc8-mm1 has two iommu_coalesce_chunks in
drivers/iommu-helpers.h and arch/ioa64/hp/common/sb_iommu.c
iommu_coalesce_chunks are almost same. parisc's iommu_coalesce_chunks
is simpler a bit.
prev parent reply other threads:[~2007-09-26 14:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-26 8:57 [PATCH 0/5] fix iommu sg list merge problem FUJITA Tomonori
2007-09-26 10:02 ` Muli Ben-Yehuda
2007-09-26 14:34 ` FUJITA Tomonori
2007-09-26 14:38 ` James Bottomley
2007-09-26 14:48 ` FUJITA Tomonori [this message]
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