> - 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
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