Hi Willy, On Sun, 30 Dec 2007 07:42:42 -0700 Matthew Wilcox <matthew@xxxxxx> wrote: > > On Sun, Dec 30, 2007 at 08:36:44PM +1100, Stephen Rothwell wrote: > > We should probably do some performance testing on this because the last > > time we tried the impact was quite noticeable. You should ping Tridge as > > he has some good lock testing setups. And he cares if we slow him down :-) > > Last time I did this, I switched to a semaphore instead of a spinlock. > That was what slowed us down. I doubt we can see a performance loss > with this patch since it's a 1-1 substitution of the BKL spinlock with a > private spinlock. You are right, sorry. Memories fade :-( -- Cheers, Stephen Rothwell sfr@xxxxxxxxxxxxxxxx http://www.canb.auug.org.au/~sfr/
Attachment:
pgpw5nyx9CslL.pgp
Description: PGP signature
