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Message-Id: <20180516081910.10067-24-ynorov@caviumnetworks.com>
Date: Wed, 16 May 2018 11:19:08 +0300
From: Yury Norov <ynorov@...iumnetworks.com>
To: Catalin Marinas <catalin.marinas@....com>,
Arnd Bergmann <arnd@...db.de>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, linux-arch@...r.kernel.org,
linux-api@...r.kernel.org
Cc: Yury Norov <ynorov@...iumnetworks.com>,
Adam Borowski <kilobyte@...band.pl>,
Alexander Graf <agraf@...e.de>,
Alexey Klimov <klimov.linux@...il.com>,
Andreas Schwab <schwab@...e.de>,
Andrew Pinski <pinskia@...il.com>,
Bamvor Zhangjian <bamv2005@...il.com>,
Chris Metcalf <cmetcalf@...lanox.com>,
Christoph Muellner <christoph.muellner@...obroma-systems.com>,
Dave Martin <Dave.Martin@....com>,
"David S . Miller" <davem@...emloft.net>,
Florian Weimer <fweimer@...hat.com>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Heiko Carstens <heiko.carstens@...ibm.com>,
James Hogan <james.hogan@...tec.com>,
James Morse <james.morse@....com>,
Joseph Myers <joseph@...esourcery.com>,
Lin Yongting <linyongting@...wei.com>,
Manuel Montezelo <manuel.montezelo@...il.com>,
Mark Brown <broonie@...nel.org>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
Nathan_Lynch <Nathan_Lynch@...tor.com>,
Philipp Tomsich <philipp.tomsich@...obroma-systems.com>,
Prasun Kapoor <Prasun.Kapoor@...iumnetworks.com>,
Ramana Radhakrishnan <ramana.gcc@...glemail.com>,
Steve Ellcey <sellcey@...iumnetworks.com>,
Szabolcs Nagy <szabolcs.nagy@....com>,
Andrew Pinski <apinski@...ium.com>,
Andrew Pinski <Andrew.Pinski@...iumnetworks.com>
Subject: [PATCH 23/24] arm64:ilp32: add ARM64_ILP32 to Kconfig
From: Andrew Pinski <apinski@...ium.com>
This patch adds the config option for ILP32.
Signed-off-by: Andrew Pinski <Andrew.Pinski@...iumnetworks.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@...obroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@...obroma-systems.com>
Signed-off-by: Yury Norov <ynorov@...iumnetworks.com>
Reviewed-by: David Daney <ddaney@...iumnetworks.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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