Messages in this thread | | | Date | Thu, 8 Oct 2009 12:17:32 -0400 (EDT) | From | Christoph Lameter <> | Subject | Re: [this_cpu_xx V5 19/19] SLUB: Experimental new fastpath w/o interrupt disable |
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On Thu, 8 Oct 2009, Peter Zijlstra wrote:
> I just don't get why Christoph is getting all upset about the > need_resched() check in preempt_enable(), its still cheaper than poking > at the interrupt flags.
Preempt causes too many performance issues. I keep on thinking that I could make it easier on people to use it. Guess I better leave it simple then.
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