Commit f6c9cbf0 authored Sep 27, 2014 by Behan Webster Committed by Russell King Nov 13, 2014

ARM: 8173/1: 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>
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>

parent 74dbeee0

arch/arm/include/asm/thread_info.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -112,8 +112,8 @@ 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) \

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