Messages in this thread Patch in this message | | | From | Masami Hiramatsu <> | Subject | [PATCH -tip v4 17/27] arm64: kprobes: Don't call the ->break_handler() in arm kprobes code | Date | Mon, 28 May 2018 16:08:00 +0900 |
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Don't call the ->break_handler() from the arm kprobes code, because it was only used by jprobes which got removed.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> --- arch/arm64/kernel/probes/kprobes.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index 3ca2351109a6..076c3c0775a6 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -408,14 +408,6 @@ static void __kprobes kprobe_handler(struct pt_regs *regs) return; } } - } else if ((le32_to_cpu(*(kprobe_opcode_t *) addr) == - BRK64_OPCODE_KPROBES) && cur_kprobe) { - /* We probably hit a jprobe. Call its break handler. */ - if (cur_kprobe->break_handler && - cur_kprobe->break_handler(cur_kprobe, regs)) { - setup_singlestep(cur_kprobe, regs, kcb, 0); - return; - } } /* * The breakpoint instruction was removed right
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