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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2018-06-20 01:14:47 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-06-21 12:33:18 +0200 |
| commit | fa5a24b16f94415d0a5da40bd479c26cfc6c15e3 (patch) | |
| tree | 5451e045096d4914b4b222d8e1705adbd817b3c8 /arch/sh | |
| parent | cba5ec980ca14b204bdb128be397ed1ddc1c7249 (diff) | |
| download | linux-fa5a24b16f94415d0a5da40bd479c26cfc6c15e3.tar.gz linux-fa5a24b16f94415d0a5da40bd479c26cfc6c15e3.tar.bz2 linux-fa5a24b16f94415d0a5da40bd479c26cfc6c15e3.zip | |
sh/kprobes: Don't call the ->break_handler() in SH kprobes code
Don't call the ->break_handler() from the SH 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>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: linux-arch@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Link: https://lore.kernel.org/lkml/152942488763.15209.7791710414058030809.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/kprobes.c | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/arch/sh/kernel/kprobes.c b/arch/sh/kernel/kprobes.c index 2b5e58873b96..4fafe0cd12c6 100644 --- a/arch/sh/kernel/kprobes.c +++ b/arch/sh/kernel/kprobes.c @@ -248,11 +248,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; - } else { - p = __this_cpu_read(current_kprobe); - if (p->break_handler && p->break_handler(p, regs)) { - goto ss_probe; - } } goto no_kprobe; } @@ -281,7 +276,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) /* handler has already set things up, so skip ss setup */ return 1; -ss_probe: prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_HIT_SS; return 1; @@ -508,14 +502,8 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self, if (post_kprobe_handler(args->regs)) ret = NOTIFY_STOP; } else { - if (kprobe_handler(args->regs)) { + if (kprobe_handler(args->regs)) ret = NOTIFY_STOP; - } else { - p = __this_cpu_read(current_kprobe); - if (p->break_handler && - p->break_handler(p, args->regs)) - ret = NOTIFY_STOP; - } } } } |