Messages in this thread | | | Date | Tue, 23 Mar 2010 16:12:39 +0100 | Subject | Re: [PATCH] perf_events: fix bug in AMD per-cpu initialization | From | Stephane Eranian <> |
| |
On Tue, Mar 23, 2010 at 4:07 PM, Peter Zijlstra <peterz@infradead.org> wrote: > On Tue, 2010-03-23 at 15:55 +0100, Stephane Eranian wrote: >> What's the point of CPU_ONLINE vs. CPU_STARTING if you're saying the >> former is never right? Why not move CPU_ONLINE to the right place and >> drop CPU_STARTING? > > Its right for a lot of things, just not for perf, we need to be ready > and done by the time the cpu starts scheduling. > You mean they need to wait until after the cpu starts scheduling? As opposed to being called just before it starts scheduling.
| |