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-rw-r--r--arch/xtensa/Kconfig.debug10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug
index a34010e0e51..af7da74d535 100644
--- a/arch/xtensa/Kconfig.debug
+++ b/arch/xtensa/Kconfig.debug
@@ -2,6 +2,16 @@ menu "Kernel hacking"
source "lib/Kconfig.debug"
+config DEBUG_TLB_SANITY
+ bool "Debug TLB sanity"
+ depends on DEBUG_KERNEL
+ help
+ Enable this to turn on TLB sanity check on each entry to userspace.
+ This check can spot missing TLB invalidation/wrong PTE permissions/
+ premature page freeing.
+
+ If unsure, say N.
+
config LD_NO_RELAX
bool "Disable linker relaxation"
default n