From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhiramat@kernel.org (Masami Hiramatsu) Date: Tue, 5 Jun 2018 00:56:44 +0900 Subject: [RFC PATCH -tip v5 17/27] arm64: kprobes: Don't call the ->break_handler() in arm kprobes code In-Reply-To: <152812730943.10068.5166429445118734697.stgit@devbox> References: <152812730943.10068.5166429445118734697.stgit@devbox> Message-ID: <152812780433.10068.4191004481518140821.stgit@devbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Cc: Catalin Marinas Cc: Will Deacon Cc: linux-arm-kernel at lists.infradead.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