lkml.org 
[lkml]   [2013]   [Jun]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: A question on RCU vs. preempt-RCU
Date
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.


\
 
 \ /
  Last update: 2013-06-18 09:41    [W:0.058 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site