| Message ID | 20170608191655.19469-1-naveen.n.rao@linux.vnet.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | ec4189c4e8eea0c5e7c9b71cb1502cdcbb32aa17 |
| Headers | show |
On Thu, 2017-06-08 at 19:16:55 UTC, "Naveen N. Rao" wrote: > We don't save/restore these across a trap, or with KPROBES_ON_FTRACE. > > Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/ec4189c4e8eea0c5e7c9b71cb1502c cheers
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)
We don't save/restore these across a trap, or with KPROBES_ON_FTRACE. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> --- arch/powerpc/kernel/optprobes_head.S | 8 -------- 1 file changed, 8 deletions(-)