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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2018-06-20 01:12:22 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-06-21 12:33:15 +0200 |
| commit | c9abd554aa1231df2ad1dd5b30114c1552c2d956 (patch) | |
| tree | a02bc6ffc31c1a6f714a55c8e1063fe2c0dd64db /arch/arm64/kernel/probes | |
| parent | 75feff53a2011e8954fab02bdcef49f36a01b256 (diff) | |
| download | linux-c9abd554aa1231df2ad1dd5b30114c1552c2d956.tar.bz2 | |
arm64/kprobes: Don't call the ->break_handler() in arm64 kprobes code
Don't call the ->break_handler() from the arm64 kprobes code,
because it was only used by jprobes which got removed.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/lkml/152942474231.15209.17684808374429473004.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/probes')
| -rw-r--r-- | arch/arm64/kernel/probes/kprobes.c | 8 |
1 files changed, 0 insertions, 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 |