diff options
| author | Siddha, Suresh B <suresh.b.siddha@intel.com> | 2008-01-30 13:33:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:43 +0100 |
| commit | 4138cc3418f5eaa7524ff8e927102863f1ba0ea5 (patch) | |
| tree | b974b9b392b4cd7263596358dd634b11d7e8f350 /arch/x86/mm/mmap.c | |
| parent | fbd3bfd87f91e6a454f3f61f67ee745f0cb59aa4 (diff) | |
x86: set strong uncacheable where UC is really desired
Also use _PAGE_PWT for all the mappings which need uncache mapping.
Instead of existing PAT2 which is UC- (and can be overwritten by MTRRs),
we now use PAT3 which is strong uncacheable.
This makes it consistent with pgprot_noncached()
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/mmap.c')
0 files changed, 0 insertions, 0 deletions