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authorBehan Webster <behanw@converseincode.com>2014-08-27 08:29:31 +0400
committerWill Deacon <will.deacon@arm.com>2014-09-08 17:39:19 +0400
commit786248705ecf5290f26534e8eef62ba6dd63b806 (patch)
tree5ffb883ae6a813dd288dad62c41a00a151e25be5 /arch/arm64/include/asm/thread_info.h
parentbb28cec4ea2f5151c08e061c6de825a8c853bbd6 (diff)
downloadlinux-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.h4
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) \