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Commit 78624870 authored by Behan Webster's avatar Behan Webster Committed by Will Deacon
Browse files

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: default avatarBehan Webster <behanw@converseincode.com>
Signed-off-by: default avatarMark Charlebois <charlebm@gmail.com>
Reviewed-by: default avatarJan-Simon Möller <dl9pf@gmx.de>
Reviewed-by: default avatarOlof Johansson <olof@lixom.net>
Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent bb28cec4

arch/arm64/include/asm/thread_info.h

+2 −2
Original line number Diff line number Diff line
@@ -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)	\