From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@SteelEye.com>
Cc: Robert Mueller <robm@fastmail.fm>, Andrew Morton <akpm@osdl.org>,
rdunlap@xenotime.net, hch@infradead.org, erich@areca.com.tw,
brong@fastmail.fm, dax@gurulabs.com,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: Areca driver recap + status
Date: Tue, 27 Jun 2006 17:36:59 +0100 [thread overview]
Message-ID: <1151426219.32186.49.camel@localhost.localdomain> (raw)
In-Reply-To: <1151422767.3340.29.camel@mulgrave.il.steeleye.com>
Ar Maw, 2006-06-27 am 10:39 -0500, ysgrifennodd James Bottomley:
> On Tue, 2006-06-27 at 16:51 +0100, Alan Cox wrote:
> > On x86_64 the dma_addr_t and the ulong are both 64bit so the problem
> > doesn't arise.
>
> Yes it does ... apparently 32 bit kernel on x86_64 is a lot more common
> than people suppose. In > 4GB this is exactly PAE.
In your original mail you stated
"It probably is only significant on x86_64 with the gart iommu enabled."
IOMMU is only in the 64bit kernel that I can see.
next prev parent reply other threads:[~2006-06-27 16:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-22 4:18 Areca driver recap + status Robert Mueller
2006-06-22 4:18 ` Robert Mueller
2006-06-22 5:28 ` Andrew Morton
2006-06-22 6:35 ` Jeff Garzik
2006-06-26 14:48 ` James Bottomley
2006-06-26 15:01 ` Andrew Morton
2006-07-07 8:41 ` erich
2006-07-07 8:41 ` erich
2006-07-07 9:04 ` Andrew Morton
2006-06-26 22:32 ` Robert Mueller
2006-06-26 22:32 ` Robert Mueller
2006-06-27 15:27 ` James Bottomley
2006-06-27 15:51 ` Alan Cox
2006-06-27 15:39 ` James Bottomley
2006-06-27 16:36 ` Alan Cox [this message]
2006-06-27 0:23 ` Dax Kelson
2006-06-27 15:27 ` James Bottomley
2006-06-27 9:47 ` erich
2006-06-27 9:47 ` erich
2006-06-27 16:12 ` James Bottomley
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