From: Pete Zaitcev <zaitcev@redhat.com>
To: David Miller <davem@davemloft.net>
Cc: jdmason@kudzu.us, muli@il.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: Calgary and bad_dma_address
Date: Tue, 9 Sep 2008 21:57:13 -0600 [thread overview]
Message-ID: <20080909215713.7ef0cfc4.zaitcev@redhat.com> (raw)
In-Reply-To: <20080909.203728.135352650.davem@davemloft.net>
On Tue, 09 Sep 2008 20:37:28 -0700 (PDT), David Miller <davem@davemloft.net> wrote:
> > I was reading arch/x86/kernel/pci-calgary_64.c today, and noticed that
> > apparently nothing prevents iommu_area_alloc from returning a zero.
> > But bad_dma_address is zero too. Doesn't it concern anyone?
> Won't the device range reserves done by calls of calgary_reserve_mem_region()
> take care of this?
Sorry, my mistake. Indeed it does, thanks.
-- Pete
next prev parent reply other threads:[~2008-09-10 4:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-10 3:19 Pete Zaitcev
2008-09-10 3:37 ` David Miller
2008-09-10 3:57 ` Pete Zaitcev [this message]
2008-09-10 3:38 ` FUJITA Tomonori
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