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kprobes: Cleanup the config comment

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The CONFIG_KPROBES_ON_FTRACE #if/#else/#endif section is small and doesn't
nest additional #ifdefs so the comment is useless and should be removed,
but the __ARCH_WANT_KPROBES_INSN_SLOT and CONFIG_OPTPROBES() nest is long,
it is better to add comment for reading.

Link: https://lore.kernel.org/all/20240813115334.3922580-3-ruanjinjie@huawei.com/

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Jinjie Ruan 2024-08-13 19:53:33 +08:00 committed by Masami Hiramatsu (Google)
parent 42f7652d3e
commit ce7f27dcd7
1 changed files with 3 additions and 3 deletions
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6
kernel/kprobes.c
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@ -353,8 +353,8 @@ struct kprobe_insn_cache kprobe_optinsn_slots = {
/* .insn_size is initialized later */
.nr_garbage = 0,
};
#endif
#endif
#endif /* CONFIG_OPTPROBES */
#endif /* __ARCH_WANT_KPROBES_INSN_SLOT */
/* We have preemption disabled.. so it is safe to use __ versions */
static inline void set_kprobe_instance(struct kprobe *kp)
@ -1543,7 +1543,7 @@ static int check_ftrace_location(struct kprobe *p)
if (ftrace_location(addr) == addr) {
#ifdef CONFIG_KPROBES_ON_FTRACE
p->flags |= KPROBE_FLAG_FTRACE;
#else /* !CONFIG_KPROBES_ON_FTRACE */
#else
return -EINVAL;
#endif
}