We don't save/restore these across a trap, or with KPROBES_ON_FTRACE.
Signed-off-by: Naveen N. Rao <naveen.n....@linux.vnet.ibm.com>
---
arch/powerpc/kernel/optprobes_head.S | 8 --------
1 file changed, 8 deletions(-)
diff --git a/arch/powerpc/kernel/optprobes_head.S
b/arch/powerpc/kernel/optprobes_head.S
index 4937bef7652f..52fc864cdec4 100644
--- a/arch/powerpc/kernel/optprobes_head.S
+++ b/arch/powerpc/kernel/optprobes_head.S
@@ -60,10 +60,6 @@ optprobe_template_entry:
std r5,_CCR(r1)
lbz r5,PACASOFTIRQEN(r13)
std r5,SOFTE(r1)
- mfdar r5
- std r5,_DAR(r1)
- mfdsisr r5
- std r5,_DSISR(r1)
/*
* We may get here from a module, so load the kernel TOC in r2.
@@ -122,10 +118,6 @@ optprobe_template_call_emulate:
mtxer r5
ld r5,_CCR(r1)
mtcr r5
- ld r5,_DAR(r1)
- mtdar r5
- ld r5,_DSISR(r1)
- mtdsisr r5
REST_GPR(0,r1)
REST_10GPRS(2,r1)
REST_10GPRS(12,r1)
--
2.12.2
