Re: devfs: BKL *not* taken while opening devices
Martin J. Bligh (Martin.Bligh@us.ibm.com)
Tue, 30 Apr 2002 11:26:08 -0700
>> I like the idea. But, while we're at it, does anyone have a good enough
>> grasp of locking the the TTY layer that we can start peeling some of the
>> BKL out of there? Somebody was doing tests over a serial console here
>> and the lockmeter data showed horrible BKL contention and hold times.
> I really really doubt that fixing contention will make serial ports go
> faster... it'll just move to another lock since I suspect we're
> just waiting for hardware
No, but it might make other things who are waiting for the BKL go faster.
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