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powerpc/kprobes: Remove duplicate saving of MSR
authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Wed, 19 Apr 2017 12:51:06 +0000 (18:21 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Sun, 23 Apr 2017 10:32:24 +0000 (20:32 +1000)
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>
arch/powerpc/kernel/kprobes.c patch | blob | blame | history

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index fce05a38851c7f1f6e4458e93bdd3041e99cd2cd..5a8601c95bbe6e2e863e093c5913fc7ec5784284 100644 (file)
--- 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;