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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: FUJITA Tomonori <tomof@acm.org>
Cc: alan@redhat.com, liml@rtr.ca, jgarzik@pobox.com,
	htejun@gmail.com, James.Bottomley@HansenPartnership.com,
	linux-ide@vger.kernel.org, fujita.tomonori@lab.ntt.co.jp
Subject: Re: libata .sg_tablesize: why always dividing by 2 ?
Date: Thu, 28 Feb 2008 18:44:57 +1100	[thread overview]
Message-ID: <1204184697.15052.379.camel@pasglop> (raw)
In-Reply-To: <20080227233540B.tomof@acm.org>


On Thu, 2008-02-28 at 16:36 +0900, FUJITA Tomonori wrote:
> > BTW. If we -still- run out of iommu space, do we have sane
> mechanisms
> > nowadays to break things up and retry ?
> 
> About SCSI, some drivers do the right thing (retrying), some assume
> that IOMMU mapping failure never happens, some just crash. I'll take
> care about it after fixing the IOMMUs.

Thanks for doing this.

Cheers,
Ben.



  reply	other threads:[~2008-02-28  7:46 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-26  0:02 libata .sg_tablesize: why always dividing by 2 ? Mark Lord
2008-02-26  0:15 ` Jeff Garzik
2008-02-26  0:27   ` Mark Lord
2008-02-26  0:54   ` Benjamin Herrenschmidt
2008-02-26  1:37     ` Mark Lord
2008-02-26  1:43       ` Mark Lord
2008-02-26  2:54         ` Benjamin Herrenschmidt
2008-02-26  4:38           ` Mark Lord
2008-02-26  5:30             ` Benjamin Herrenschmidt
2008-02-26  5:43               ` Mark Lord
2008-02-26  5:47                 ` Benjamin Herrenschmidt
2008-02-26 16:09                   ` James Bottomley
2008-02-26 21:43                     ` Benjamin Herrenschmidt
2008-02-26 16:25                   ` Mark Lord
2008-02-26 16:51                     ` Mark Lord
2008-02-26 21:50                       ` Benjamin Herrenschmidt
2008-02-26 21:56                         ` James Bottomley
2008-02-26 22:30                           ` Benjamin Herrenschmidt
2008-02-26 23:16                             ` Benjamin Herrenschmidt
2008-02-26 21:43                     ` Benjamin Herrenschmidt
2008-02-26 23:07                       ` Alan Cox
2008-02-26 23:19                         ` Benjamin Herrenschmidt
2008-02-28  7:36                           ` FUJITA Tomonori
2008-02-28  7:44                             ` Benjamin Herrenschmidt [this message]
2008-02-26  2:52       ` Benjamin Herrenschmidt
2008-02-26  0:22 ` Jeff Garzik
2008-02-26  0:28   ` Mark Lord

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