On Fri, 2016-09-23 at 14:26 +0200, Peter Zijlstra wrote: > On Fri, Sep 23, 2016 at 02:17:10PM +0200, Mike Galbraith wrote: > > On Fri, 2016-09-23 at 10:00 +0200, Thomas Gleixner wrote: > > > On Fri, 23 Sep 2016, Peter Zijlstra wrote: > > > > > > Is anybody still using PREEMPT_NONE? Most workloads also care > > > > about > > > > latency to some extend. Lots of code has explicit > > > > cond_resched() and > > > > doesn't worry. > > > > > > Dunno. But I bet there are workloads which love it. > > > > SUSE definitely uses it. I had presumed that was enterprise > > standard. > > Hmm, I thought most distros defaulted to PREEMPT_VOLUNTARY. I use PREEMPT_VOLUNTARY for my desktop, that offering much better performance than the PREEMPT desktop targeted kernels (ick), but workhorses run PREEMPT_NONE for maximum throughput. -Mike -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
