Messages in this thread | | | Date | Tue, 29 Sep 2015 16:47:51 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 01/11] sched: Simplify INIT_PREEMPT_COUNT |
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On Tue, Sep 29, 2015 at 10:43:32AM -0400, Steven Rostedt wrote: > > [ Resend with a "Reply-all" this time! ] > > On Tue, 29 Sep 2015 11:28:26 +0200 > Peter Zijlstra <peterz@infradead.org> wrote: > > > As per commit d86ee4809d03 ("sched: optimize cond_resched()") we need > > PREEMPT_ACTIVE to avoid cond_resched() from working before the > > scheduler is setup. > > > > However, keeping preemption disabled should do the same thing already, > > making the PREEMPT_ACTIVE part entirely redundant. > > Thus PREEMPT_ACTIVE wasn't needed at that commit either, or was it?
Correct. We might have actually discussed that at that time but decided to be conservative -- but these be vague memories..
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