Messages in this thread | | | Date | Tue, 7 Jun 2011 09:59:20 +0300 | Subject | Re: [PATCH v5 8/9] x86-64: Emulate legacy vsyscalls | From | Pekka Enberg <> |
| |
On Tue, Jun 7, 2011 at 1:49 AM, <pageexec@freemail.hu> wrote: >> A fastpath is defined by optimization considerations applied to a >> codepath (the priority it gets compared to other codepaths), *not* by >> its absolute performance. > > we're not talking about random arbitrarily defined paths here but the > impact of putting well predicted branches into the pf handler vs. int xx > (are you perhaps confused by 'fast path' vs. 'fastpath'?).
Well, I'm sure confused by 'fast path' vs 'fastpath'! Can you please explain the difference? Thanks!
Pekka
| |