From: Andrew Pinski <apinski@cavium.com> maillist inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I8JVJ3 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> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Chen Jun <chenjun102@huawei.com> Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com> Conflicts: arch/arm64/Kconfig Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- arch/arm64/Kconfig | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 23ac6dbf3856..920f43df3da1 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1595,6 +1595,14 @@ config ARM64_TAGGED_ADDR_ABI to system calls as pointer arguments. For details, see Documentation/arch/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 @@ -2288,7 +2296,7 @@ endmenu # "Boot options" config COMPAT def_bool y - depends on AARCH32_EL0 + depends on AARCH32_EL0 || ARM64_ILP32 menu "Power management options" -- 2.34.1