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SubjectRe: ptrace and pfn mappings
FromBenjamin Herrenschmidt <>
DateTue, 10 Oct 2006 14:58:15 +1000
> Since we decided it would be better to make a new function or some arch
> specfic hooks rather than switch mm's in the kernel? ;)
> 
> No, I don't know. Your idea might be reasonable, but I really haven't
> thought about it much.

Another option is to take the PTE lock while doing the accesses for that
PFN... might work. We still need a temp kernel buffer but that would
sort-of do the trick.

Ben.


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