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From: Steven Rostedt <rostedt@goodmis.org>
To: Qian Cai <cai@lca.pw>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	tytso@mit.edu, Arnd Bergmann <arnd@arndb.de>,
	gregkh@linuxfoundation.org, pmladek@suse.com,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	dan.j.williams@intel.com, Peter Zijlstra <peterz@infradead.org>,
	longman@redhat.com, Thomas Gleixner <tglx@linutronix.de>,
	Linux-MM <linux-mm@kvack.org>,
	linux-arm-kernel@lists.infradead.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] char/random: silence a lockdep splat with printk()
Date: Thu, 2 Jan 2020 12:07:52 -0500
Message-ID: <20200102120752.7b893b1e@gandalf.local.home> (raw)
In-Reply-To: <1CA39814-DE67-4112-8F97-D62B9F47FF9D@lca.pw>

On Thu, 2 Jan 2020 10:42:51 -0500
Qian Cai <cai@lca.pw> wrote:

> > On Dec 16, 2019, at 8:52 PM, Qian Cai <cai@lca.pw> wrote:
> > 
> > 
> >   
> >> On Dec 4, 2019, at 8:00 PM, Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> wrote:
> >> 
> >> A 'Reviewed-by' will suffice.
> >> 
> >> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>  
> > 
> > Ted, could you take a look at this trivial patch?  
> 
> Not sure if Ted is still interested in maintaining this file as he had no feedback for more
> than a month. The problem is that this will render the lockdep useless for a general
> debugging tool as it will disable the lockdep early in the process.
> 

How would this disable lockdep early in the process? The patch is just
changing pr_notice() to printk_deferred() correct?

-- Steve


  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-13 21:16 Qian Cai
2019-12-03 18:46 ` Qian Cai
2019-12-05  1:00   ` Sergey Senozhatsky
2019-12-17  1:52     ` Qian Cai
2020-01-02 15:42       ` Qian Cai
2020-01-02 17:07         ` Steven Rostedt [this message]
2020-01-02 17:16           ` Qian Cai
2020-01-02 18:00         ` Theodore Y. Ts'o
2020-01-07 21:07 ` Theodore Y. Ts'o

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