On Tue, Feb 09 2016 at 7:45pm -0500, Mike Snitzer <snitzer@xxxxxxxxxx> wrote: > > OK, I took a crack at embracing RCU. Only slightly better performance > on my single NUMA node testbed. (But I'll have to track down a system > with multiple NUMA nodes to do any justice to the next wave of this > optimization effort) > > This RCU work is very heavy-handed and way too fiddley (there could > easily be bugs). Anyway, please see: > http://git.kernel.org/cgit/linux/kernel/git/snitzer/linux.git/commit/?h=devel2&id=d80a7e4f8b5be9c81e4d452137623b003fa64745 > > But this might give you something to build on to arrive at something > more scalable? I've a bit more polished version of this work (broken up into multiple commits, with some fixes, etc) here: http://git.kernel.org/cgit/linux/kernel/git/snitzer/linux.git/log/?h=devel3 Hannes and/or Sagi, if you get a chance to try this on your NUMA system please let me know how it goes. Mike -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
