Messages in this thread | | | From | Rusty Russell <> | Subject | Re: A question on RCU vs. preempt-RCU | Date | Tue, 18 Jun 2013 14:51:13 +0930 |
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Tejun Heo <tj@kernel.org> writes: > Buth yeah, interesting trick. We'll be doing IPIs, flushing TLB and > taking faults until it hits zero. It'll all depend on the frequency > of preemption but given that branches don't tend to be too expensive > on modern processors, maybe it'd be a bit too hairy for possibly > marginal gain?
Yeah, I'm not convinced either, but I am hoping some enthusiast will run with the idea in hope of Fame and Glory :)
Cheers, Rusty.
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