[PATCH v12 6/8] powerpc/64: Make COMPAT user-selectable disabled on littleendian by default.

From: Michal Suchanek
Date: Fri Mar 20 2020 - 06:20:44 EST


On bigendian ppc64 it is common to have 32bit legacy binaries but much
less so on littleendian.

Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
v3: make configurable
---
arch/powerpc/Kconfig | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 497b7d0b2d7e..29d00b3959b9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -264,8 +264,9 @@ config PANIC_TIMEOUT
default 180

config COMPAT
- bool
- default y if PPC64
+ bool "Enable support for 32bit binaries"
+ depends on PPC64
+ default y if !CPU_LITTLE_ENDIAN
select COMPAT_BINFMT_ELF
select ARCH_WANT_OLD_COMPAT_IPC
select COMPAT_OLD_SIGACTION
--
2.23.0