From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single project Date: Wed, 24 Mar 2010 18:52:17 +0200 Message-ID: <4BAA4341.3010300@redhat.com> References: <20100324125043.GC14800@8bytes.org> <4BAA0DFE.1080700@redhat.com> <20100324134642.GD14800@8bytes.org> <4BAA1A53.20207@redhat.com> <20100324150137.GE14800@8bytes.org> <4BAA2BF7.4060407@redhat.com> <20100324154605.GG14800@8bytes.org> <4BAA3496.2010901@redhat.com> <20100324155927.GI14800@8bytes.org> <4BAA393A.9000105@redhat.com> <20100324164000.GM14800@8bytes.org> <4BAA4211.2000209@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Anthony Liguori , Ingo Molnar , Pekka Enberg , "Zhang, Yanmin" , Peter Zijlstra , Sheng Yang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Marcelo Tosatti , Jes Sorensen , Gleb Natapov , ziteng.huang@intel.com, Arnaldo Carvalho de Melo , Fr?d?ric Weisbecker , Gregory Haskins To: Joerg Roedel Return-path: Received: from mx1.redhat.com ([209.132.183.28]:20720 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755794Ab0CXQwu (ORCPT ); Wed, 24 Mar 2010 12:52:50 -0400 In-Reply-To: <4BAA4211.2000209@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 03/24/2010 06:47 PM, Avi Kivity wrote: > > It's true. If the kernel provides something, there are fewer things > that can break. But if your system is so broken that you can't > resolve uids, fix that before running perf. Must we design perf for > that case? > > After all, 'ls -l' will break under the same circumstances. It's hard > to imagine doing useful work when that doesn't work. Also, perf itself will hang if it needs to access a file using autofs or nfs, and those are broken. -- error compiling committee.c: too many arguments to function