Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] ipr: don't doublefree pages from scatterlist | Date | Mon, 6 Feb 2006 23:13:17 +0100 |
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On Monday 06 February 2006 23:11, Hugh Dickins wrote: > On Mon, 6 Feb 2006, Andi Kleen wrote: > > On Monday 06 February 2006 17:45, Hugh Dickins wrote: > > > > > > But all this presupposes that someone is suddenly going to change the > > > x86_64 gart_map_sg (and subfunctions), or else force its iommu=nomerge: > > > that won't be me. > > > > Ok i changed it to conform to the gospel. I gave it some basic pounding LTP/dd IO with > > and without IOMMU force, but it's not that well tested. More testing welcome. > > Great, thanks Andi. One small correction to the comment... > > > Don't touch the non DMA members in the sg list in dma_map_sg in the IOMMU > > > > Some drivers (in particular ipr) ran into problems because they > > No, the problem hasn't knowingly been sighted on ipr,
Ok. I was wondering anyways why people should use ipr on x86-64.
> it was the > st driver that Ryan's been seeing it with - ipr just came from > my looking around for like instances.
I will fix the comment. Thanks.
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