Re: ptrace and pfn mappings

[Benjamin Herrenschmidt]

> 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.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/