From 6e944aed8859d3b2de32ddb86748db9aefa43667 Mon Sep 17 00:00:00 2001
From: Michal Suchanek <msuchanek@suse.de>
Date: Fri, 20 Mar 2020 11:20:17 +0100
Subject: [PATCH] powerpc/64: Make COMPAT user-selectable disabled on
littleendian by default.
References: jsc#SLE-16200
Patch-mainline: v5.7-rc1
Git-commit: 6e944aed8859d3b2de32ddb86748db9aefa43667
On bigendian ppc64 it is common to have 32bit legacy binaries but much
less so on littleendian.
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/41393d6e895b0d3a47ee62f8f51e1cf888ad6226.1584699455.git.msuchanek@suse.de
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
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
--
2.28.0