Re: devfs: BKL *not* taken while opening devices

[Martin J. Bligh]

>> 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.

M.