Messages in this thread | | | Date | Thu, 24 Jul 2008 23:40:30 +0900 | Subject | Re: [PATCH]: PCI: GART iommu alignment fixes [v2] | From | FUJITA Tomonori <> |
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On Thu, 24 Jul 2008 10:31:58 -0400 Prarit Bhargava <prarit@redhat.com> wrote:
> > >> But I think Prarit is right with this change. If the interface defines > >> this behavior the IOMMU drivers have to implement it. I am just > >> wondering that the problem never showed up before. The GART driver is a > >> few years old now. > >> > > > > Yeah, I'm not against fixing IOMMUs to make alloc_consistent return > > the reqeuested size aligned memory. My point is that it's not likely > > to fix anything. Even with the patch, we hit the above problem because > > as I explained, the root cause of the problem is the boundary issue; > > we need to fix pci-dma.c > > > > > > Sorry, I misquoted code up there and was looking for a clear example of > where this would happen. The issue I'm trying to resolve didn't happen > on the skge -- it was just a convenient piece of code to examine and > point out ;)
So please tell us what driver you hit the bug with. Can you give us the details?
Thanks,
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