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| author | Behan Webster <behanw@converseincode.com> | 2014-08-27 08:29:31 +0400 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2014-09-08 17:39:19 +0400 |
| commit | 786248705ecf5290f26534e8eef62ba6dd63b806 (patch) | |
| tree | 5ffb883ae6a813dd288dad62c41a00a151e25be5 /arch/arm64/include/asm/thread_info.h | |
| parent | bb28cec4ea2f5151c08e061c6de825a8c853bbd6 (diff) | |
| download | linux-786248705ecf5290f26534e8eef62ba6dd63b806.tar.xz | |
arm64: LLVMLinux: Calculate current_thread_info from current_stack_pointer
Use the global current_stack_pointer to get the value of the stack pointer.
This change supports being able to compile the kernel with both gcc and clang.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/thread_info.h')
| -rw-r--r-- | arch/arm64/include/asm/thread_info.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index 356e03774df4..459bf8e53208 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -80,8 +80,8 @@ static inline struct thread_info *current_thread_info(void) __attribute_const__; static inline struct thread_info *current_thread_info(void) { - register unsigned long sp asm ("sp"); - return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); + return (struct thread_info *) + (current_stack_pointer & ~(THREAD_SIZE - 1)); } #define thread_saved_pc(tsk) \ |