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xen-devel
Re: [Xen-devel] [patch] (resend) mask out nx bits when calculatingpfn/mf
On Tue, Jun 07, 2005 at 09:58:20AM -0700, Nakajima, Jun wrote:
> But did you really see the NX bit? I think that (NX bit) would be a good
> catch and it explains several failures of device drivers. We should fix
> the creator of the pte (by __supported_pte_mask), not the consumer of
> it.
I was seeing it in xen_contig_memory(), which was getting called by
e100_alloc_cbs(). The crash was happening when i would run "xend start"
By "fix the creator", your suggesting that there shouldn't be an NX bit
set? Why?
> We also need to fix Xen because Xen should not reject the request just
> because it has the NX bit on.
An NX bit is now an official part of a page frame number???
i'm confused
sRp
--
Scott Parish
Signed-off-by: srparish@xxxxxxxxxx
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