Commit 347baa65 authored Dec 22, 2020 by Andrew Pinski Committed by Chen Jun Jan 07, 2021

arm64:ilp32: add ARM64_ILP32 to Kconfig

maillist inclusion
category: feature
bugzilla: 46790
CVE: NA

Reference: https://github.com/norov/linux/commits/ilp32-5.2



--------------------------------

This patch adds the config option for ILP32.

Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Reviewed-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Yury Norov <ynorov@marvell.com>

 Conflicts:
	arch/arm64/Kconfig

Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: Xie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: Chen Jun <chenjun102@huawei.com>

parent 257dc723

arch/arm64/Kconfig

+9 −1

Original line number	Diff line number	Diff line
		@@ -1214,6 +1214,14 @@ config ARM64_TAGGED_ADDR_ABI
		to system calls as pointer arguments. For details, see
		Documentation/arm64/tagged-address-abi.rst.

		config ARM64_ILP32
		bool "Kernel support for ILP32"
		depends on !ARM64_PTR_AUTH
		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.

		menuconfig AARCH32_EL0
		bool "Kernel support for 32-bit EL0"
		depends on ARM64_4K_PAGES \|\| EXPERT
		@@ -1893,7 +1901,7 @@ endmenu

		config COMPAT
		def_bool y
		depends on AARCH32_EL0
		depends on AARCH32_EL0 \|\| ARM64_ILP32

		config SYSVIPC_COMPAT
		def_bool y