From: Behan Webster <[email protected]> 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 <[email protected]> Signed-off-by: Mark Charlebois <[email protected]> Reviewed-by: Jan-Simon M??ller <[email protected]> --- arch/arm64/kernel/stacktrace.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 55437ba..407991b 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -111,10 +111,9 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) frame.sp = thread_saved_sp(tsk); frame.pc = thread_saved_pc(tsk); } else { - register unsigned long current_sp asm("sp"); data.no_sched_functions = 0; frame.fp = (unsigned long)__builtin_frame_address(0); - frame.sp = current_sp; + frame.sp = current_stack_pointer; frame.pc = (unsigned long)save_stack_trace_tsk; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
