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Message-ID: <1464048292-30136-24-git-send-email-ynorov@caviumnetworks.com> Date: Tue, 24 May 2016 03:04:52 +0300 From: Yury Norov <ynorov@...iumnetworks.com> To: <arnd@...db.de>, <catalin.marinas@....com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>, <linux-arch@...r.kernel.org>, <linux-s390@...r.kernel.org>, <libc-alpha@...rceware.org> CC: <schwidefsky@...ibm.com>, <heiko.carstens@...ibm.com>, <ynorov@...iumnetworks.com>, <pinskia@...il.com>, <broonie@...nel.org>, <joseph@...esourcery.com>, <christoph.muellner@...obroma-systems.com>, <bamvor.zhangjian@...wei.com>, <szabolcs.nagy@....com>, <klimov.linux@...il.com>, <Nathan_Lynch@...tor.com>, <agraf@...e.de>, <Prasun.Kapoor@...iumnetworks.com>, <kilobyte@...band.pl>, <geert@...ux-m68k.org>, <philipp.tomsich@...obroma-systems.com>, Andrew Pinski <apinski@...ium.com>, Andrew Pinski <Andrew.Pinski@...iumnetworks.com> Subject: [PATCH 23/23] 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 | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0bb7adc..765d7c2 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -926,12 +926,13 @@ source "fs/Kconfig.binfmt" config COMPAT bool - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 config AARCH32_EL0 bool "Kernel support for 32-bit EL0" def_bool y depends on ARM64_4K_PAGES || EXPERT + select COMPAT select HAVE_UID16 select OLD_SIGSUSPEND3 select COMPAT_OLD_SIGACTION @@ -947,6 +948,15 @@ config AARCH32_EL0 If you want to execute 32-bit userspace applications, say Y. +config ARM64_ILP32 + bool "Kernel support for ILP32" + select COMPAT + select COMPAT_WRAPPER + 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 -- 2.5.0
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