Re: [patch 2/2] powerpc: replace isync with lwsync

2009-03-04 Thread Nick Piggin
On Wed, Mar 04, 2009 at 03:04:11PM +1100, Benjamin Herrenschmidt wrote: > On Thu, 2009-02-19 at 18:21 +0100, Nick Piggin wrote: > > OK, here is this patch again. You didn't think I'd let a 2% performance > > improvement be forgotten? :) > > > > Anyway, patch won't work well on architecture without

Re: [patch 2/2] powerpc: replace isync with lwsync

2009-03-03 Thread Benjamin Herrenschmidt
On Thu, 2009-02-19 at 18:21 +0100, Nick Piggin wrote: > OK, here is this patch again. You didn't think I'd let a 2% performance > improvement be forgotten? :) > > Anyway, patch won't work well on architecture without lwsync, but I won't > bother fixing that kind of thing and making it merge worthy

[patch 2/2] powerpc: replace isync with lwsync

2009-02-19 Thread Nick Piggin
OK, here is this patch again. You didn't think I'd let a 2% performance improvement be forgotten? :) Anyway, patch won't work well on architecture without lwsync, but I won't bother fixing that kind of thing and making it merge worthy until you guys say something positive about it. 20 runs of tbe