When available, CONFIG_KERNEL_RWX should be default-enabled for PPC64. On PPC32, there is a performance trade-off.
Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Christophe LEROY <[email protected]> Cc: Balbir Singh <[email protected]> Cc: [email protected] Signed-off-by: Kees Cook <[email protected]> --- v2: - depend on PPC64, as noted by Christophe. --- arch/powerpc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 809c468edab1..4315c9b2db4f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -178,6 +178,7 @@ config PPC select HAVE_ARCH_TRACEHOOK select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION) select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX + select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if PPC64 select HAVE_CBPF_JIT if !PPC64 select HAVE_CONTEXT_TRACKING if PPC64 select HAVE_DEBUG_KMEMLEAK -- 2.7.4 -- Kees Cook Pixel Security
