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

[gang . chen . 5i5j]

From: Chen Gang 

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

Signed-off-by: Chen Gang 
---
 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
--
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[PATCH] metag/kernel/stacktrace.c: Use current_stack_pointer instead of current_sp

[Chen Gang]

>From 89b6f4ac64f5204752fd98998df9db058b6b Mon Sep 17 00:00:00 2001
From: Chen Gang <gang.chen.5...@gmail.com>
Date: Sat, 5 Sep 2015 17:29:23 +0800
Subject: [PATCH] metag/kernel/stacktrace.c: Use current_stack_pointer instead
 of current_sp

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

Signed-off-by: Chen Gang <gang.chen.5...@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

  

0001-metag-kernel-stacktrace.c-Use-current_stack_pointer-.patch
Description: Binary data