powerpc: Rename __get_SP() to current_stack_pointer()

Michael points out that __get_SP() is a pretty horrible
function name. Let's give it a better name.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

5 files changed, 5 insertions, 5 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 8eb857f216c1..c14383575fe8 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -466,7 +466,7 @@ static inline void check_stack_overflow(void)
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
         long sp;
 
-        sp = __get_SP() & (THREAD_SIZE-1);
+        sp = current_stack_pointer() & (THREAD_SIZE-1);
 
         /* check for stack overflow: is there less than 2KB free? */
         if (unlikely(sp < (sizeof(struct thread_info) + 2048))) {
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 120deb713bc8..0d432194c018 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -115,6 +115,6 @@ _GLOBAL(longjmp)
         mr      r3,r4
         blr
 
-_GLOBAL(__get_SP)
+_GLOBAL(current_stack_pointer)
         PPC_LL  r3,0(r1)
         blr
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 9d84efbd7b7a..202963ee013a 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -42,4 +42,4 @@ EXPORT_SYMBOL(giveup_spe);
 EXPORT_SYMBOL(epapr_hypercall_start);
 #endif
 
-EXPORT_SYMBOL(__get_SP);
+EXPORT_SYMBOL(current_stack_pointer);
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 3cc643988101..923cd2daba89 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1545,7 +1545,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
                 tsk = current;
         if (sp == 0) {
                 if (tsk == current)
-                        sp = __get_SP();
+                        sp = current_stack_pointer();
                 else
                         sp = tsk->thread.ksp;
         }
diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index 7f65baec29f6..ea43a347a104 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -50,7 +50,7 @@ void save_stack_trace(struct stack_trace *trace)
 {
         unsigned long sp;
 
-        sp = __get_SP();
+        sp = current_stack_pointer();
 
         save_context_stack(trace, sp, current, 1);
 }