From: Peter Zijlstra <peterz@infradead.org>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Sasha Levin <levinsasha928@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"linux-kernel@vger.kernel.org List"
<linux-kernel@vger.kernel.org>,
alexander.levin@verizon.com, pmladek@suse.com,
sergey.senozhatsky@gmail.com, rostedt@goodmis.org
Subject: Re: sched: serial port lockdep warning when offlining CPUs
Date: Thu, 28 Sep 2017 13:47:05 +0200 [thread overview]
Message-ID: <20170928114705.4a2iaek26qcdo7qk@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20170928103032.GA2380@jagdpanzerIV.localdomain>
On Thu, Sep 28, 2017 at 07:30:32PM +0900, Sergey Senozhatsky wrote:
> ---
>
> lib/ratelimit.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/ratelimit.c b/lib/ratelimit.c
> index 08f8043cac61..bddc55834c2e 100644
> --- a/lib/ratelimit.c
> +++ b/lib/ratelimit.c
> @@ -48,7 +48,8 @@ int ___ratelimit(struct ratelimit_state *rs, const char *func)
> if (time_is_before_jiffies(rs->begin + rs->interval)) {
> if (rs->missed) {
> if (!(rs->flags & RATELIMIT_MSG_ON_RELEASE)) {
> - pr_warn("%s: %d callbacks suppressed\n", func, rs->missed);
> + printk_deferred(KERN_WARN "%s: %d callbacks suppressed\n",
> + func, rs->missed);
> rs->missed = 0;
> }
> }
Oh cute; I figured it was the syslog daemon suppressing multiple
identical lines, but yes the above looks very plausible.
next prev parent reply other threads:[~2017-09-28 11:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 9:19 Sasha Levin
2017-09-28 9:38 ` Peter Zijlstra
2017-09-28 10:30 ` Sergey Senozhatsky
2017-09-28 11:36 ` Sergey Senozhatsky
2017-09-28 11:45 ` Levin, Alexander (Sasha Levin)
2017-09-28 11:55 ` Sergey Senozhatsky
2017-09-28 12:05 ` Peter Zijlstra
2017-09-28 12:07 ` Peter Zijlstra
2017-09-28 12:15 ` Sergey Senozhatsky
2017-09-28 12:28 ` Peter Zijlstra
2017-09-28 11:47 ` Peter Zijlstra [this message]
2017-09-28 11:51 ` Sergey Senozhatsky
2017-09-28 11:04 ` Levin, Alexander (Sasha Levin)
2017-09-28 11:13 ` Sergey Senozhatsky
2017-09-28 11:38 ` Peter Zijlstra
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