"powerpc: Use enhanced touch instructions in POWER7
copy_to_user/copy_from_user" was applied twice. Remove one.
Signed-off-by: Anton Blanchard <an...@samba.org>
---
Index: b/arch/powerpc/lib/copyuser_power7.S
===================================================================
--- a/arch/powerpc/lib/copyuser_power7.S
+++ b/arch/powerpc/lib/copyuser_power7.S
@@ -326,37 +326,6 @@ err1; stb r0,0(r3)
dcbt r0,r8,0b01010 /* GO */
.machine pop
- /*
- * We prefetch both the source and destination using enhanced touch
- * instructions. We use a stream ID of 0 for the load side and
- * 1 for the store side.
- */
- clrrdi r6,r4,7
- clrrdi r9,r3,7
- ori r9,r9,1 /* stream=1 */
-
- srdi r7,r5,7 /* length in cachelines, capped at 0x3FF */
- cmpldi cr1,r7,0x3FF
- ble cr1,1f
- li r7,0x3FF
-1: lis r0,0x0E00 /* depth=7 */
- sldi r7,r7,7
- or r7,r7,r0
- ori r10,r7,1 /* stream=1 */
-
- lis r8,0x8000 /* GO=1 */
- clrldi r8,r8,32
-
-.machine push
-.machine "power4"
- dcbt r0,r6,0b01000
- dcbt r0,r7,0b01010
- dcbtst r0,r9,0b01000
- dcbtst r0,r10,0b01010
- eieio
- dcbt r0,r8,0b01010 /* GO */
-.machine pop
-
beq .Lunwind_stack_nonvmx_copy
/*
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