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ARM: 8173/1: Calculate current_thread_info from current_stack_pointer

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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>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Behan Webster 2014-09-27 00:31:09 +01:00 committed by Russell King
parent 74dbeee0fc
commit f6c9cbf091
1 changed files with 2 additions and 2 deletions
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4
arch/arm/include/asm/thread_info.h
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@ -112,8 +112,8 @@ static inline struct thread_info *current_thread_info(void) __attribute_const__;
static inline struct thread_info *current_thread_info(void) static inline struct thread_info *current_thread_info(void)
{ {
register unsigned long sp asm ("sp"); return (struct thread_info *)
return (struct thread_info *)(sp & ~(THREAD_SIZE - 1)); (current_stack_pointer & ~(THREAD_SIZE - 1));
} }
#define thread_saved_pc(tsk) \ #define thread_saved_pc(tsk) \