x86, nx: Don't force pages RW when setting NX bits

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Xen want page table pages read only.

But the initial page table (from head_*.S) live in .data or .bss.

That was broken by 64edc8ed5f.  There is
absolutely no reason to force these pages RW after they have already
been marked RO.

Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

...

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Matthieu CASTET 2011-01-20 21:11:45 +01:00 • committed by H. Peter Anvin

parent afe8a88755

commit f12d3d04e8

1 changed files with 0 additions and 8 deletions

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arch/x86/mm/pageattr.c

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