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-rw-r--r--arch/x86/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fd27048087b..5b46756e4c7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1009,6 +1009,21 @@ config MTRR
See <file:Documentation/mtrr.txt> for more information.
+config X86_PAT
+ def_bool y
+ prompt "x86 PAT support"
+ depends on MTRR && NONPROMISC_DEVMEM
+ help
+ Use PAT attributes to setup page level cache control.
+ ---help---
+ PATs are the modern equivalents of MTRRs and are much more
+ flexible than MTRRs.
+
+ Say N here if you see bootup problems (boot crash, boot hang,
+ spontaneous reboots) or a non-working Xorg.
+
+ If unsure, say Y.
+
config EFI
def_bool n
prompt "EFI runtime service support"