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Groups > linux.kernel > #1741465
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: sched: serial port lockdep warning when offlining CPUs |
| Date | 2017-09-28 13:50 +0200 |
| Message-ID | <uuFuh-8sU-7@gated-at.bofh.it> (permalink) |
| References | <uuDiO-7d1-15@gated-at.bofh.it> <uuDsv-7h4-19@gated-at.bofh.it> <uuEoy-7PA-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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.
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sched: serial port lockdep warning when offlining CPUs Sasha Levin <levinsasha928@gmail.com> - 2017-09-28 11:30 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 11:40 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 12:40 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 13:40 +0200
Re: sched: serial port lockdep warning when offlining CPUs "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-09-28 14:00 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 14:00 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 14:10 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 14:10 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 14:20 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 14:30 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 13:50 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 14:00 +0200
Re: sched: serial port lockdep warning when offlining CPUs "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com> - 2017-09-28 13:10 +0200
Re: sched: serial port lockdep warning when offlining CPUs Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2017-09-28 13:20 +0200
Re: sched: serial port lockdep warning when offlining CPUs Peter Zijlstra <peterz@infradead.org> - 2017-09-28 13:40 +0200
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