From mboxrd@z Thu Jan 1 00:00:00 1970 From: behanw@converseincode.com (behanw at converseincode.com) Date: Tue, 8 Jul 2014 13:16:15 -0700 Subject: [PATCH 5/6] arm: LLVMLinux: Calculate current_thread_info from current_stack_pointer In-Reply-To: <1404850576-2006-1-git-send-email-behanw@converseincode.com> References: <1404850576-2006-1-git-send-email-behanw@converseincode.com> Message-ID: <1404850576-2006-6-git-send-email-behanw@converseincode.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Behan Webster 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 Signed-off-by: Mark Charlebois Reviewed-by: Jan-Simon M??ller --- arch/arm/include/asm/thread_info.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h index 9cb9c66..3184d94 100644 --- a/arch/arm/include/asm/thread_info.h +++ b/arch/arm/include/asm/thread_info.h @@ -111,8 +111,8 @@ 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) \ -- 1.9.1