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SubjectRe: [PATCH 0/3] fix GART to respect device's dma_mask about virtual mappings
> no - any extra layer of robustness is good in such a critical piece of 

robustness would require to handle it everywhere (as in always fall
back to 24bit DMA bouncing if someone tries a map_* on a < 32bit mapping),
but this patch doesn't do that at all.


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