diff options
| author | Behan Webster <[email protected]> | 2014-08-27 05:29:31 +0100 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2014-09-08 14:39:19 +0100 |
| commit | 786248705ecf5290f26534e8eef62ba6dd63b806 (patch) | |
| tree | 5ffb883ae6a813dd288dad62c41a00a151e25be5 | |
| parent | bb28cec4ea2f5151c08e061c6de825a8c853bbd6 (diff) | |
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 <[email protected]>
Signed-off-by: Mark Charlebois <[email protected]>
Reviewed-by: Jan-Simon Möller <[email protected]>
Reviewed-by: Olof Johansson <[email protected]>
Acked-by: Will Deacon <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
| -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) \ |