exceptions: Remove deprecated exception patching stuff

Linux no longer calls it, it never worked on LE and generally
speaking never really did anything useful anyway.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

1 files changed, 0 insertions, 125 deletions

diff --git a/asm/head.S b/asm/head.S
index 5705226c..8d754c13 100644
--- a/asm/head.S
+++ b/asm/head.S
@@ -874,128 +874,3 @@ start_kernel_secondary:
 	mtctr	%r3
 	mfspr	%r3,SPR_PIR
 	bctr
-
-	.global exc_primary_start
-exc_primary_start:
-	mtspr	SPR_HSPRG1,%r1
-	mfspr	%r1,SPR_CFAR
-0:	b	.
-	.global exc_primary_end
-exc_primary_end:
-
-	.global exc_primary_patch_branch
-exc_primary_patch_branch:
-	.long	0b - exc_primary_start
-
-	.global exc_secondary_start
-exc_secondary_start:
-	mtspr	SPR_CFAR,%r1
-	mfspr	%r1,SPR_PIR
-0:	GET_STACK(%r1,%r1)
-	stdu	%r1,-STACK_FRAMESIZE(%r1)
-	std	%r3,STACK_GPR3(%r1)
-	mfspr	%r3,SPR_HSPRG1
-	std	%r3,STACK_GPR1(%r1)
-	mfspr	%r3,SPR_CFAR
-	std	%r3,STACK_CFAR(%r1)
-1:	mfspr	%r3,SPR_SRR0
-	std	%r3,STACK_SRR0(%r1)
-2:	mfspr	%r3,SPR_SRR1
-	std	%r3,STACK_SRR1(%r1)
-	mflr	%r3
-	std	%r3,STACK_LR(%r1)
-	LOAD_IMM32(%r3,exception_entry_common - __head);
-	addis	%r3,%r3,SKIBOOT_BASE@h
-	mtlr	%r3
-3:	li	%r3,0
-	blrl	/* XXX Use a BH=01 variant to avoid link stack problems */
-	ld	%r3,STACK_LR(%r1)
-	mtlr	%r3
-	ld	%r3,STACK_SRR0(%r1)
-4:	mtspr	SPR_SRR0,%r3
-	ld	%r3,STACK_SRR1(%r1)
-5:	mtspr	SPR_SRR1,%r3
-	ld	%r3,STACK_GPR3(%r1)
-	ld	%r1,STACK_GPR1(%r1)
-6:	rfid
-	.global exc_secondary_end
-exc_secondary_end:
-
-	.global exc_secondary_patch_stack
-exc_secondary_patch_stack:
-	.long	0b - exc_secondary_start
-	.global exc_secondary_patch_mfsrr0
-exc_secondary_patch_mfsrr0:
-	.long	1b - exc_secondary_start
-	.global exc_secondary_patch_mfsrr1
-exc_secondary_patch_mfsrr1:
-	.long	2b - exc_secondary_start
-	.global exc_secondary_patch_type
-exc_secondary_patch_type:
-	.long	3b - exc_secondary_start
-	.global exc_secondary_patch_mtsrr0
-exc_secondary_patch_mtsrr0:
-	.long	4b - exc_secondary_start
-	.global exc_secondary_patch_mtsrr1
-exc_secondary_patch_mtsrr1:
-	.long	5b - exc_secondary_start
-	.global exc_secondary_patch_rfid
-exc_secondary_patch_rfid:
-	.long	6b - exc_secondary_start
-
-	/* The rest of the exception entry code */
-exception_entry_common:
-	std	%r3,STACK_TYPE(%r1)
-
-	/* We save the exception return LR in the stack-locals area */
-	mflr	%r3
-	std	%r3,STACK_LOCALS(%r1)
-
-	/* Save more stuff */
-	std	%r0,STACK_GPR0(%r1)
-	std	%r2,STACK_GPR2(%r1)
-	std	%r4,STACK_GPR4(%r1)
-	std	%r5,STACK_GPR5(%r1)
-	std	%r6,STACK_GPR6(%r1)
-	std	%r7,STACK_GPR7(%r1)
-	std	%r8,STACK_GPR8(%r1)
-	std	%r9,STACK_GPR9(%r1)
-	std	%r10,STACK_GPR10(%r1)
-	std	%r11,STACK_GPR11(%r1)
-	std	%r12,STACK_GPR12(%r1)
-	std	%r13,STACK_GPR13(%r1)
-	mfcr	%r3
-	stw	%r3,STACK_CR(%r1)
-	mfctr	%r3
-	std	%r3,STACK_CTR(%r1)
-
-	GET_CPU()
-
-	LOAD_IMM64(%r2, SKIBOOT_BASE)
-	addis	%r2,%r2,(__toc_start - __head)@ha
-	addi	%r2,%r2,(__toc_start - __head)@l
-
-	mr	%r3,%r1
-	bl	exception_entry
-
-	ld	%r3,STACK_CTR(%r1)
-	lwz	%r4,STACK_CR(%r1)
-	mtctr	%r3
-	mtcr	%r4
-
-	ld	%r0,STACK_GPR0(%r1)
-	ld	%r2,STACK_GPR2(%r1)
-	ld	%r4,STACK_GPR4(%r1)
-	ld	%r5,STACK_GPR5(%r1)
-	ld	%r6,STACK_GPR6(%r1)
-	ld	%r7,STACK_GPR7(%r1)
-	ld	%r8,STACK_GPR8(%r1)
-	ld	%r9,STACK_GPR9(%r1)
-	ld	%r10,STACK_GPR10(%r1)
-	ld	%r11,STACK_GPR11(%r1)
-	ld	%r12,STACK_GPR12(%r1)
-	ld	%r13,STACK_GPR13(%r1)
-
-	ld	%r3,STACK_LOCALS(%r1)
-	mtlr	%r3
-	blr