diff options
| author | Andrew Pinski <apinski@cavium.com> | 2015-11-03 02:30:36 +0300 |
|---|---|---|
| committer | Andrey Konovalov <andrey.konovalov@linaro.org> | 2015-11-04 19:13:42 +0300 |
| commit | ee6e14d34697aed0321d355726dc7721d61e4d61 (patch) | |
| tree | de265c6558ea068034d436aa9510d8bccb783c3c | |
| parent | 694f4c7ec1dbf6a7a7d172a11920d5f41e9e92e5 (diff) | |
arm64:ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64
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>
Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
Reviewed-by: David Daney <david.daney@cavium.com>
| -rw-r--r-- | arch/arm64/include/asm/compat.h | 38 | ||||
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 1 |
2 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 9700e5e3f717..95d2d7224ebf 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -324,9 +324,35 @@ static inline int is_a32_compat_thread(struct thread_info *thread) } #endif +#ifdef CONFIG_ARM64_ILP32 + +static inline int is_ilp32_compat_task(void) +{ + return test_thread_flag(TIF_32BIT_AARCH64); +} + +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return test_ti_thread_flag(thread, TIF_32BIT_AARCH64); +} + +#else + +static inline int is_ilp32_compat_task(void) +{ + return 0; +} + +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return 0; +} + +#endif + static inline int is_compat_task(void) { - return is_a32_compat_task(); + return is_a32_compat_task() || is_ilp32_compat_task(); } #else /* !CONFIG_COMPAT */ @@ -341,6 +367,16 @@ static inline int is_a32_compat_task(void) return 0; } +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return 0; +} + +static inline int is_ilp32_compat_task(void) +{ + return 0; +} + #endif /* CONFIG_COMPAT */ #endif /* __KERNEL__ */ #endif /* __ASM_COMPAT_H */ diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index 7d035652f12f..e72de7403a4c 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -112,6 +112,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SINGLESTEP 21 #define TIF_32BIT 22 /* AARCH32 process */ #define TIF_SWITCH_MM 23 /* deferred switch_mm */ +#define TIF_32BIT_AARCH64 24 /* 32 bit process on AArch64(ILP32) */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) |