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From: James Bottomley <James.Bottomley@SteelEye.com>
To: Andi Kleen <ak@suse.de>
Cc: davem@redhat.com, anton@samba.org, linux-arch@vger.kernel.org
Subject: Re: pci_map_single return value
Date: 19 Mar 2004 19:13:33 -0500	[thread overview]
Message-ID: <1079741620.1726.2.camel@mulgrave> (raw)
In-Reply-To: <20040319220506.1718cc55.ak@suse.de>

On Fri, 2004-03-19 at 16:05, Andi Kleen wrote:
> It is effectively disabled when you have ~3GB of memory, but when you have more
> and a 32bit only device it will be enabled for that.

Well, I suppose it's up to you to object if this error return switch
will cause an unacceptable risk of data corruption.  I'm with davem:
both the architectures I care about, voyager (no IOMMU) and parisc (huge
IOMMU space) aren't going to have a problem.

James

      reply	other threads:[~2004-03-20  0:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20031212155752.GD17683@krispykreme>
     [not found] ` <20031212175104.07dc8444.ak@suse.de>
     [not found]   ` <20031212192131.GF17683@krispykreme>
     [not found]     ` <20031213220444.4c526afa.davem@redhat.com>
     [not found]       ` <20040102120121.GT28023@krispykreme>
     [not found]         ` <20040102133454.22daa451.ak@suse.de>
2004-03-19  0:14           ` pci_map_single return value Anton Blanchard
2004-03-19  0:41             ` David S. Miller
2004-03-19  0:55             ` Andrew Morton
2004-03-19  1:37               ` Anton Blanchard
2004-03-19 14:16                 ` James Bottomley
2004-03-19 16:57             ` James Bottomley
2004-03-19 18:55               ` David S. Miller
2004-03-19 21:01                 ` James Bottomley
2004-03-19 21:05                   ` Andi Kleen
2004-03-20  0:13                     ` James Bottomley [this message]

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