[POWERPC] Clean up misc_64.S

* Removed get_msr(), get_srr0(), and get_srr1() - not used anywhere
* Use STACK_FRAME_OVERHEAD instead of magic number

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 4 insertions, 16 deletions

diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index a3c491e88a72..942951e76586 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -27,23 +27,11 @@
 
         .text
 
-_GLOBAL(get_msr)
-        mfmsr   r3
-        blr
-
-_GLOBAL(get_srr0)
-        mfsrr0  r3
-        blr
-
-_GLOBAL(get_srr1)
-        mfsrr1  r3
-        blr
-
 #ifdef CONFIG_IRQSTACKS
 _GLOBAL(call_do_softirq)
         mflr    r0
         std     r0,16(r1)
-        stdu    r1,THREAD_SIZE-112(r3)
+        stdu    r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
         mr      r1,r3
         bl      .__do_softirq
         ld      r1,0(r1)
@@ -56,7 +44,7 @@ _GLOBAL(call_handle_irq)
         mflr    r0
         std     r0,16(r1)
         mtctr   r8
-        stdu    r1,THREAD_SIZE-112(r5)
+        stdu    r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5)
         mr      r1,r5
         bctrl
         ld      r1,0(r1)
@@ -599,7 +587,7 @@ _GLOBAL(kexec_sequence)
         std     r0,16(r1)
 
         /* switch stacks to newstack -- &kexec_stack.stack */
-        stdu    r1,THREAD_SIZE-112(r3)
+        stdu    r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
         mr      r1,r3
 
         li      r0,0
@@ -616,7 +604,7 @@ _GLOBAL(kexec_sequence)
         std     r26,-48(r1)
         std     r25,-56(r1)
 
-        stdu    r1,-112-64(r1)
+        stdu    r1,-STACK_FRAME_OVERHEAD-64(r1)
 
         /* save args into preserved regs */
         mr      r31,r3                  /* newstack (both) */