From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH]KVM: kvm/ia64: select ANON_INODES PREEMPT_NOTIFIERS, once Date: Tue, 26 Aug 2008 11:13:24 +0300 Message-ID: <48B3BB24.3040509@qumranet.com> References: <42DFA526FC41B1429CE7279EF83C6BDC01845A71@pdsmsx415.ccr.corp.intel.com> <48B27544.7090004@qumranet.com> <42DFA526FC41B1429CE7279EF83C6BDC01845F38@pdsmsx415.ccr.corp.intel.com> <48B2862E.6060607@qumranet.com> <42DFA526FC41B1429CE7279EF83C6BDC0188E570@pdsmsx415.ccr.corp.intel.com> <48B2B60C.7070101@qumranet.com> <42DFA526FC41B1429CE7279EF83C6BDC0188E6BE@pdsmsx415.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm-ia64@vger.kernel.org, kvm@vger.kernel.org To: "Zhang, Xiantao" Return-path: Received: from il.qumranet.com ([212.179.150.194]:53921 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756304AbYHZIN0 (ORCPT ); Tue, 26 Aug 2008 04:13:26 -0400 In-Reply-To: <42DFA526FC41B1429CE7279EF83C6BDC0188E6BE@pdsmsx415.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Zhang, Xiantao wrote: >> In practice, I don't expect a problem. Most users get their kernels >> from a distribution. You should talk to ia64 distribution vendors to >> make sure they enable kvm in their ia64 2.6.26+ kernels. >> > > Agree. Could we change default configration to make preempt_notifier > configured if no more overhead introduced ? I noticed kvm/s390 has did > in this way. > That's up to your arch maintainer. I don't recommend it though. I guess ia64 priorities are different, but for x86 we disable anything that isn't strictly required. -- error compiling committee.c: too many arguments to function