On Tue, 2009-08-04 at 15:10 -0700, Fenghua Yu wrote: > When calling domain_pfn_mapping(), paddr should be converted to DMA pfn > correctly instead just shift by VTD_PAGE_SHIFT. > > This issue causes kernel panic on PAGE_SIZE>VTD_PAGE_SIZE platforms e.g. ia64 > platforms. > > Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx> Using the word 'alignment' somewhere in the above commit would have confused me a lot less -- I got most of the way through composing a mail asking how this patch wasn't a no-op, before I spotted it. An alternative would be to align the size to DMA pages? Would that make the sg case easier? (Thanks for fixing this, btw) -- dwmw2 -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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