From: Andrew Pinski <apin...@cavium.com>

This patch adds the config option for ILP32.

Signed-off-by: Andrew Pinski <andrew.pin...@caviumnetworks.com>
Signed-off-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muell...@theobroma-systems.com>
Signed-off-by: Yury Norov <yno...@caviumnetworks.com>
Reviewed-by: David Daney <dda...@caviumnetworks.com>
---
 arch/arm64/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 0685754a9f7b..a3134b8e3123 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1226,7 +1226,7 @@ source "fs/Kconfig.binfmt"
 
 config COMPAT
        def_bool y
-       depends on AARCH32_EL0
+       depends on AARCH32_EL0 || ARM64_ILP32
 
 config AARCH32_EL0
        bool "Kernel support for 32-bit EL0"
@@ -1247,6 +1247,13 @@ config AARCH32_EL0
 
          If you want to execute 32-bit userspace applications, say Y.
 
+config ARM64_ILP32
+       bool "Kernel support for ILP32"
+       help
+         This option enables support for AArch64 ILP32 user space.  ILP32
+         is an ABI where long and pointers are 32bits but it uses the AARCH64
+         instruction set.
+
 config SYSVIPC_COMPAT
        def_bool y
        depends on COMPAT && SYSVIPC
-- 
2.17.0

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