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authorKumar Gala <galak@kernel.crashing.org>2008-04-24 13:20:16 +1000
committerPaul Mackerras <paulus@samba.org>2008-04-24 20:58:03 +1000
commit4ae2dcb633c751cfd27deeea5a8b13db35a84d9a (patch)
treea94b8b478e2ed49c9260859a014201d3040caf65 /arch/powerpc/kernel/misc_64.S
parent988479ebccc44e141d06ac55e4438d6b473008b5 (diff)
downloadblackbird-op-linux-4ae2dcb633c751cfd27deeea5a8b13db35a84d9a.tar.gz
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[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>
Diffstat (limited to 'arch/powerpc/kernel/misc_64.S')
-rw-r--r--arch/powerpc/kernel/misc_64.S20
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) */
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