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SubjectRe: [PATCH] x86: create array based interface to change page attribute
On Monday, April 07, 2008 1:56 pm Arjan van de Ven wrote:
> Jesse Barnes wrote:
> > Yeah, they're ioremapped now, but that's a problem since with the PAT
> > patches they'll be mapped hard UC (right now it just happens to work).
> clearly this needs to use ioremap_wc(), I was assuming nothing else....
> (code mapping things uncached and then frobbing the MTRR's underneath
> really shouldn't be allowed to live from 2.6.26 and forward. Esp for the 3D
> drivers we KNOW that we want _wc so that is a clear case of just fixing the
> code to do the right thing)

Totally agreed, the AGP code needs to be specific about what it wants...


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