Commit 4ae2dcb6 authored by Kumar Gala's avatar Kumar Gala Committed by Paul Mackerras
Browse files

[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: default avatarKumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 988479eb

arch/powerpc/kernel/misc_64.S

+4 −16
Original line number Diff line number Diff line
@@ -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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