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Subject[PATCH 10/25] arm64: rename COMPAT to AARCH32_EL0 in Kconfig
From: Andrew Pinski <>

In this patchset ILP32 ABI support is added. Additionally to AARCH32,
which is binary-compatible with ARM, ILP32 is (mostly) ABI-compatible.

From now, AARCH32_EL0 (former COMPAT) config option means the support of
AARCH32 userspace, ARM64_ILP32 - support of ILP32 ABI (see next patches),
and COMPAT indicates that one of them, or both, is enabled.

Signed-off-by: Andrew Pinski <>
Signed-off-by: Philipp Tomsich <>
Signed-off-by: Christoph Muellner <>
Signed-off-by: Yury Norov <>
Reviewed-by: David Daney <>
arch/arm64/Kconfig | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 4f43622..f923687 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -925,6 +925,10 @@ menu "Userspace binary formats"
source "fs/Kconfig.binfmt"

config COMPAT
+ def_bool y
+ depends on AARCH32_EL0
+config AARCH32_EL0
bool "Kernel support for 32-bit EL0"
depends on ARM64_4K_PAGES || EXPERT
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