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.
next prev parent 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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