[OpenAFS-devel] cannot shutdown 1.3.81 on linux 2.6.12-rc[12]

chas williams - CONTRACTOR chas@cmf.nrl.navy.mil
Wed, 20 Apr 2005 11:33:58 -0400


In message <Pine.GSO.4.61-042.0504201116450.26028@johnstown.andrew.cmu.edu>,Der
rick J Brashear writes:
>> i would suggest that the mutexes in afs not be conditional at all.
>> it seems like there is little benefit to not having them.
>
>Overhead?

the overhead of the afs global mutex is going to be pretty small.
other platforms don't bother with optimizing it away for the
uniprocessor case and i dont see complaints about performance 
issues related to afs glock.