Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1219467

[PATCH] metag/kernel/stacktrace.c: Use current_stack_pointer instead of current_sp

Show all headers | View raw

From: Chen Gang <gang.chen.5i5j@gmail.com>

Since we have defined current_stack_pointer, current_sp is redudancy, so
remove it.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
---
 arch/metag/kernel/stacktrace.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/metag/kernel/stacktrace.c b/arch/metag/kernel/stacktrace.c
index 5510361..5db1176 100644
--- a/arch/metag/kernel/stacktrace.c
+++ b/arch/metag/kernel/stacktrace.c
@@ -165,11 +165,9 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 		frame.pc = thread_saved_pc(tsk);
 #endif
 	} else {
-		register unsigned long current_sp asm ("A0StP");
-
 		data.no_sched_functions = 0;
 		frame.fp = (unsigned long)__builtin_frame_address(0);
-		frame.sp = current_sp;
+		frame.sp = current_stack_pointer;
 		frame.lr = (unsigned long)__builtin_return_address(0);
 		frame.pc = (unsigned long)save_stack_trace_tsk;
 	}
-- 
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH] metag/kernel/stacktrace.c: Use current_stack_pointer instead of current_sp gang.chen.5i5j@gmail.com - 2015-09-05 11:40 +0200

csiph-web