Messages in this thread | | | Date | Sun, 04 Mar 2001 11:57:41 +0100 | From | Manfred Spraul <> | Subject | Re: [prepatches] removal of console_lock |
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> - 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
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