From: Jeff Garzik <jgarzik@pobox.com>
To: Jens Axboe <axboe@suse.de>
Cc: Mark Lord <liml@rtr.ca>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
James Bottomley <James.Bottomley@steeleye.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: libata+SGIO: is .dma_boundary respected?
Date: Tue, 21 Mar 2006 14:38:42 -0500 [thread overview]
Message-ID: <44205642.7070302@pobox.com> (raw)
In-Reply-To: <20060321193538.GO4285@suse.de>
Jens Axboe wrote:
> My explanation was for the block layer part of course, I'm hoping (did
> not check) that the iommu has similar sane defaults.
Part of the problem is that the iommu doesn't know as much as the block
layer.
> But this still really wants a unification of the dma restrictions...
Strongly agreed. ISTR JamesB had some concrete thoughts in that
direction, but they never made it beyond an IRC channel and/or a few emails.
Jeff
next prev parent reply other threads:[~2006-03-21 19:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-19 20:48 libata+SGIO: is .dma_boundary respected? Mark Lord
2006-03-19 21:14 ` Jeff Garzik
2006-03-19 21:19 ` Mark Lord
2006-03-19 21:38 ` Jeff Garzik
2006-03-19 21:45 ` Mark Lord
2006-03-19 21:54 ` Mark Lord
2006-03-21 1:18 ` Jeff Garzik
2006-03-21 4:43 ` Mark Lord
2006-03-21 6:14 ` Jeff Garzik
2006-03-21 13:59 ` Mark Lord
2006-03-21 18:42 ` Jens Axboe
2006-03-21 19:18 ` Mark Lord
2006-03-21 19:29 ` Jeff Garzik
2006-03-21 19:31 ` Mark Lord
2006-03-21 19:33 ` Mark Lord
2006-03-21 19:35 ` Jens Axboe
2006-03-21 19:38 ` Jeff Garzik [this message]
2006-03-21 19:42 ` Jens Axboe
2006-03-21 19:43 ` James Bottomley
2006-03-21 19:46 ` Jens Axboe
2006-03-21 20:44 ` James Bottomley
2006-03-21 21:54 ` Benjamin Herrenschmidt
2006-03-21 19:31 ` Jens Axboe
2006-03-21 19:36 ` Mark Lord
2006-03-21 19:43 ` Jeff Garzik
2006-03-21 20:51 ` Mark Lord
2006-03-22 11:25 ` Tejun Heo
2006-03-22 14:52 ` Mark Lord
2006-03-21 1:15 ` Jeff Garzik
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