From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [RFC PATCH 00/17] virtual-bus Date: Fri, 03 Apr 2009 14:46:54 +0300 Message-ID: <49D5F72E.2060804@redhat.com> References: <20090402085253.GA29932@gondor.apana.org.au> <49D47F11.6070400@redhat.com> <49D5EBE1.8030200@redhat.com> <20090403111854.GA11935@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Gerd Hoffmann , Herbert Xu , ghaskins@novell.com, anthony@codemonkey.ws, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org, kvm@vger.kernel.org To: Andi Kleen Return-path: In-Reply-To: <20090403111854.GA11935@one.firstfloor.org> Sender: kvm-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Andi Kleen wrote: >> Check shared ring status when stuffing a request. If there are requests >> > > That means you're bouncing cache lines all the time. Probably not a big > issue on single socket but could be on larger systems. > That's why I'd like requests to be handled on the vcpu thread rather than an auxiliary thread. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.