Re: [Qemu-devel] [PATCH 0/4] Optionally use membarrier system call for RCU

2018-03-21 Thread Emilio G. Cota
On Fri, Mar 09, 2018 at 14:29:18 +0100, Paolo Bonzini wrote: > I didn't have time to check whether it improves performance (not > too likely, since QEMU tends to have pretty long RCU critical > sections), but it cannot hurt either. :) Sorry it took me more than a week to go through this, I was bus

Re: [Qemu-devel] [PATCH 0/4] Optionally use membarrier system call for RCU

2018-03-09 Thread no-reply
Hi, This series seems to have some coding style problems. See output below for more information: Type: series Message-id: 20180309132922.24211-1-pbonz...@redhat.com Subject: [Qemu-devel] [PATCH 0/4] Optionally use membarrier system call for RCU === TEST SCRIPT BEGIN === #!/bin/bash BASE=base n

[Qemu-devel] [PATCH 0/4] Optionally use membarrier system call for RCU

2018-03-09 Thread Paolo Bonzini
I didn't have time to check whether it improves performance (not too likely, since QEMU tends to have pretty long RCU critical sections), but it cannot hurt either. :) For microbenchmark results, see patch 4. Paolo Paolo Bonzini (4): rcutorture: remove synchronize_rcu from readers rcu: make