powerpc/8xx: Do not allow Pinned TLBs with STRICT_KERNEL_RWX or DEBUG_PAGEALLOC
Pinning TLBs bypasses STRICT_KERNEL_RWX or DEBUG_PAGEALLOC protections
so it should only be allowed when those are not selected
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a4c575c..a2b6697 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1176,7 +1176,8 @@
config PIN_TLB
bool "Pinned Kernel TLBs (860 ONLY)"
- depends on ADVANCED_OPTIONS && PPC_8xx
+ depends on ADVANCED_OPTIONS && PPC_8xx && \
+ !DEBUG_PAGEALLOC && !STRICT_KERNEL_RWX
config PIN_TLB_DATA
bool "Pinned TLB for DATA"