From: Muli Ben-Yehuda <muli@il.ibm.com>
To: "Darrick J. Wong" <djwong@us.ibm.com>
Cc: Jeff Garzik <jeff@garzik.org>, linux-scsi@vger.kernel.org
Subject: Re: [PATCH] aic94xx: fix SMP request DMA direction
Date: Sat, 29 Sep 2007 08:22:15 +0200 [thread overview]
Message-ID: <20070929062215.GD4239@rhun.haifa.ibm.com> (raw)
In-Reply-To: <20070928235534.GC22855@tree.beaverton.ibm.com>
On Fri, Sep 28, 2007 at 04:55:34PM -0700, Darrick J. Wong wrote:
> On Thu, Sep 27, 2007 at 10:33:41PM -0400, Jeff Garzik wrote:
> >
> > Unless I'm missing something, the SMP request goes /to/ the PCI device :)
> >
> > Signed-off-by: Jeff Garzik <jeff@garzik.org>
>
> ACK; builds ok and SMP commands seem to work ok (not that they
> didn't before).
Could this explain some weirdness we were seeing with aic94xx and
Calgary/CalIOC2 enabled, or are SMP commands not likely to be used in
normal operation? We map the IOMMU entries differently for FROMDEVICE
(RW) and TODEVICE(RO).
Cheers,
Muli
--
SYSTOR 2007 --- 1st Annual Haifa Systems and Storage Conference 2007
http://www.haifa.il.ibm.com/Workshops/systor2007/
Oct 29, 2007: virtualization workshop | Oct 30, 2007: storage workshop
next prev parent reply other threads:[~2007-09-29 6:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 2:33 [PATCH] aic94xx: fix SMP request DMA direction Jeff Garzik
2007-09-28 23:55 ` Darrick J. Wong
2007-09-29 6:22 ` Muli Ben-Yehuda [this message]
2007-09-29 6:25 ` Jeff Garzik
2007-09-30 7:13 ` Darrick J. Wong
2007-09-30 7:26 ` Muli Ben-Yehuda
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