From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42596) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eyoe2-00049l-Fq for qemu-devel@nongnu.org; Wed, 21 Mar 2018 21:03:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eyodz-0007pT-7v for qemu-devel@nongnu.org; Wed, 21 Mar 2018 21:03:54 -0400 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:58477) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eyodz-0007pH-0L for qemu-devel@nongnu.org; Wed, 21 Mar 2018 21:03:51 -0400 Date: Wed, 21 Mar 2018 21:03:48 -0400 From: "Emilio G. Cota" Message-ID: <20180322010348.GA16453@flamenco> References: <20180309132922.24211-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180309132922.24211-1-pbonzini@redhat.com> Subject: Re: [Qemu-devel] [PATCH 0/4] Optionally use membarrier system call for RCU List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: qemu-devel@nongnu.org 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 busy working on the FP patchset. I see this set is already on master; nonetheless here are some minor comments. E.