From: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Date: Wed, 19 Apr 2017 12:51:06 +0000 (+0530)
Subject: powerpc/kprobes: Remove duplicate saving of MSR
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d08f8a28bcc8c2004a7186839148fc9aadd5cc6f;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

powerpc/kprobes: Remove duplicate saving of MSR

set_current_kprobe() already saves regs->msr into kprobe_saved_msr. Remove the
redundant save.

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index fce05a38851c..5a8601c95bbe 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -177,7 +177,6 @@ int __kprobes kprobe_handler(struct pt_regs *regs)
 			 */
 			save_previous_kprobe(kcb);
 			set_current_kprobe(p, regs, kcb);
-			kcb->kprobe_saved_msr = regs->msr;
 			kprobes_inc_nmissed_count(p);
 			prepare_singlestep(p, regs);
 			kcb->kprobe_status = KPROBE_REENTER;