x86, PAT: disable /dev/mem mmap RAM with PAT

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disable /dev/mem mmap of RAM with PAT. It makes things safer and
eliminates aliasing. A future improvement would be to avoid the
range_is_allowed duplication.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Venki Pallipadi 2008-04-26 11:32:12 -07:00 • committed by Ingo Molnar

parent 4a27214d7b

commit 0124cecfc8

1 changed files with 31 additions and 0 deletions

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arch/x86/mm/pat.c

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