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From: Manfred Spraul <manfred@colorfullife.com>
To: andrewm@uow.edu.au
Cc: linux-kernel@vger.kernel.org
Subject: Re: [prepatches] removal of console_lock
Date: Sun, 04 Mar 2001 11:57:41 +0100	[thread overview]
Message-ID: <3AA21FA5.BA370402@colorfullife.com> (raw)

> - Major revamp of printk(). The approach taken in printk() is to try 
>   to acquire the (new) console_sem. If we succeed, the output is 
>   placed into the log buffer and is printed to the consoles. If we fail 
>   to acquire the semaphore we just buffer the output in the log buffer 
>   and the current holder of the console_sem will do the printing for us 
>   prior to releasing console_sem. 

Is down_trylock reliable under load?

I remember 2 or 3 bug reports than disappeared after down_trylock was
removed.
The last one was this week.

http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg31919.html

--
	Manfred

             reply	other threads:[~2001-03-04 10:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-04 10:57 Manfred Spraul [this message]
2001-03-04 11:19 ` [prepatches] removal of console_lock Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2001-03-04  7:31 Andrew Morton
2001-03-04 10:26 ` Pierre Rousselet
2001-03-04 10:42   ` Andrew Morton
2001-03-05  6:15 ` Cort Dougan
2001-03-05 13:00   ` Andrew Morton
2001-03-05 14:36     ` Benjamin Herrenschmidt

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