Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895AbdI1LgO (ORCPT ); Thu, 28 Sep 2017 07:36:14 -0400 Received: from mail-pg0-f50.google.com ([74.125.83.50]:51258 "EHLO mail-pg0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752050AbdI1LgM (ORCPT ); Thu, 28 Sep 2017 07:36:12 -0400 X-Google-Smtp-Source: AOwi7QDn3bUwtm8r4A5WlSnWenaDtnDuMo2hzZ7ilP6tU/KJveNBB2hHUkE3W2h+BKXzM3c7O6FYmQ== Date: Thu, 28 Sep 2017 20:36:07 +0900 From: Sergey Senozhatsky To: Sasha Levin Cc: Peter Zijlstra , Thomas Gleixner , Ingo Molnar , "linux-kernel@vger.kernel.org List" , alexander.levin@verizon.com, pmladek@suse.com, sergey.senozhatsky@gmail.com, rostedt@goodmis.org, Sergey Senozhatsky Subject: Re: sched: serial port lockdep warning when offlining CPUs Message-ID: <20170928113607.GB30818@jagdpanzerIV.localdomain> References: <20170928093847.zgcgvxb7ajiaywbr@hirez.programming.kicks-ass.net> <20170928103032.GA2380@jagdpanzerIV.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170928103032.GA2380@jagdpanzerIV.localdomain> User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1373 Lines: 46 On (09/28/17 19:30), 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", oops... s/KERN_WARN/KERN_WARNING/ sorry about that. > + func, rs->missed); > rs->missed = 0; > } > } --- lib/ratelimit.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/ratelimit.c b/lib/ratelimit.c index 08f8043cac61..d01f47135239 100644 --- a/lib/ratelimit.c +++ b/lib/ratelimit.c @@ -48,7 +48,9 @@ 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_WARNING + "%s: %d callbacks suppressed\n", + func, rs->missed); rs->missed = 0; } } -- 2.14.2