From: Jens Axboe <jens.axboe@oracle.com>
To: Andi Kleen <ak@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Tejun Heo <htejun@gmail.com>,
Srihari Vijayaraghavan <sriharivijayaraghavan@yahoo.com.au>,
Ingo Molnar <mingo@elte.hu>,
linux-ide@vger.kernel.org
Subject: Re: 2.6.24-rc & SB600 AHCI no go on >=4GB of RAM II
Date: Tue, 20 Nov 2007 20:07:02 +0100 [thread overview]
Message-ID: <20071120190702.GB6586@kernel.dk> (raw)
In-Reply-To: <200711201736.02957.ak@suse.de>
On Tue, Nov 20 2007, Andi Kleen wrote:
>
> > Which in turn enables the iommu_merge functionality in gart_map_sg().
>
> > for_each_sg(sg, s, nents, i) {
>
> Hmm, another thought. Maybe this code just has trouble with the new
> linked SG lists and it's not really a SB600 problem?
>
> I did a quick test on two ATI machines with older chipset and
> iommu=force,merge and it didn't show a problem though.
chained sg lists aren't enabled on libata, so it should not affect
libata drivers.
--
Jens Axboe
prev parent reply other threads:[~2007-11-20 19:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-14 11:55 2.6.24-rc & SB600 AHCI no go on >=4GB of RAM Srihari Vijayaraghavan
2007-11-14 12:17 ` Andi Kleen
2007-11-14 16:43 ` Thomas Gleixner
2007-11-14 16:46 ` Andi Kleen
2007-11-19 22:47 ` Srihari Vijayaraghavan
2007-11-20 1:03 ` Tejun Heo
2007-11-20 15:34 ` Thomas Gleixner
2007-11-20 15:44 ` Andi Kleen
2007-11-20 18:29 ` Thomas Gleixner
2007-11-20 18:43 ` Andi Kleen
2007-11-20 16:36 ` 2.6.24-rc & SB600 AHCI no go on >=4GB of RAM II Andi Kleen
2007-11-20 19:07 ` Jens Axboe [this message]
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