Commit-ID: fa5a24b16f94415d0a5da40bd479c26cfc6c15e3
Gitweb: https://git.kernel.org/tip/fa5a24b16f94415d0a5da40bd479c26cfc6c15e3
Author: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
AuthorDate: Wed, 20 Jun 2018 01:14:47 +0900
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 21 Jun 2018 12:33:18 +0200
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@xxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rich Felker <dalias@xxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-arch@xxxxxxxxxxxxxxx
Cc: linux-sh@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/lkml/152942488763.15209.7791710414058030809.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/sh/kernel/kprobes.c | 14 +-------------
1 file changed, 1 insertion(+), 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;
- }
}
}
}
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