From 67ac0bfe29e9b4359012a8961c196baa813c707a Mon Sep 17 00:00:00 2001 From: "Naveen N. Rao" Date: Mon, 23 Oct 2017 22:07:40 +0530 Subject: powerpc/kprobes: Blacklist emulate_update_regs() from kprobes Commit 3cdfcbfd32b9d ("powerpc: Change analyse_instr so it doesn't modify *regs") introduced emulate_update_regs() to perform part of what emulate_step() was doing earlier. However, this function was not added to the kprobes blacklist. Add it so as to prevent it from being probed. Signed-off-by: Naveen N. Rao Acked-by: Masami Hiramatsu Signed-off-by: Michael Ellerman --- arch/powerpc/lib/sstep.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc') diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 8c3955e183d4..70274b7b4773 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -2717,6 +2717,7 @@ void emulate_update_regs(struct pt_regs *regs, struct instruction_op *op) } regs->nip = next_pc; } +NOKPROBE_SYMBOL(emulate_update_regs); /* * Emulate a previously-analysed load or store instruction. -- cgit