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xtensa: nommu: add MMU dependency to DEBUG_TLB_SANITY
author
Max Filippov
<jcmvbkbc@gmail.com>
Thu, 2 Oct 2014 16:52:56 +0000
(20:52 +0400)
committer
Max Filippov
<jcmvbkbc@gmail.com>
Tue, 21 Oct 2014 09:28:51 +0000
(13:28 +0400)
TLB sanity checking code depends on full MMU presence and may not be
built in noMMU confgiuration.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/Kconfig.debug
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diff --git
a/arch/xtensa/Kconfig.debug
b/arch/xtensa/Kconfig.debug
index
af7da74
..
53ae08e
100644
(file)
--- a/
arch/xtensa/Kconfig.debug
+++ b/
arch/xtensa/Kconfig.debug
@@
-4,7
+4,7
@@
source "lib/Kconfig.debug"
config DEBUG_TLB_SANITY
bool "Debug TLB sanity"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL
&& MMU
help
Enable this to turn on TLB sanity check on each entry to userspace.
This check can spot missing TLB invalidation/wrong PTE permissions/