x86 PAT: decouple from nonpromisc devmem

Linus pointed it out that PAT should not depend on NONPROMISC_DEVMEM.

Also make PAT non-default.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4d350b5cbc71fdaf7f8c8ed0d6a84d4aa96b9de4..4aa4180b106c9d98f4acadb9b89f56149de8d4ef 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1049,9 +1049,9 @@ config MTRR
          See <file:Documentation/mtrr.txt> for more information.
 
 config X86_PAT
-       def_bool y
+       bool
        prompt "x86 PAT support"
-       depends on MTRR && NONPROMISC_DEVMEM
+       depends on MTRR
        help
          Use PAT attributes to setup page level cache control.