Re: [PATCH BUGFIX] xen: don't drop NX bit

From: Jeremy Fitzhardinge
Date: Mon Jun 16 2008 - 07:43:18 EST


Jeremy Fitzhardinge wrote:
When converting the pfn/mfn in a pagetable entry, make sure we mask
out the protection flags properly. Formerly, this code was losing the
NX bit, and not dealing with extra Xen-defined software flags in ptes.

Because NX is now enforced properly, we must put the hypercall page
into the .text segment so that it is executable.

Oops, ignore this. This depends on another unposted patch. I'll repost shortly.

J
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