From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [Qemu-devel] [PATCH 0/2] Fix wide ioport access cracking Date: Thu, 11 Aug 2011 19:15:48 +0300 Message-ID: <4E440034.5040502@redhat.com> References: <1313048426-17273-1-git-send-email-avi@redhat.com> <4E43927B.90606@redhat.com> <4E4392F7.8020002@redhat.com> <4E43A482.5040401@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org To: Gerhard Wiesinger Return-path: Received: from mx1.redhat.com ([209.132.183.28]:43696 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751251Ab1HKQPx (ORCPT ); Thu, 11 Aug 2011 12:15:53 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 08/11/2011 07:11 PM, Gerhard Wiesinger wrote: > On Thu, 11 Aug 2011, Avi Kivity wrote: >> This should be faster today with really new kernels (the problem is >> not in qemu) but I'm not sure if it's fast enough. > > What's a "really new" kernel? In which version were performance > optimizations done? (Currently I'm using 2.6.34.7, hadn't time yet to > update from FC13 to FC15 ...) Not sure really... some of the improvements were in kvm itself (rcu_note_context_switch), some in the rcu core. Try out F15, it will give you 3.0 (and gnome-shell). -- error compiling committee.c: too many arguments to function