From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [RFT] mmu optimizations branch Date: Wed, 3 Jan 2007 12:30:44 +0100 Message-ID: <20070103113044.GE19989@elte.hu> References: <4598E33B.608@qumranet.com> <20070102161117.GA3306@elte.hu> <459A8909.7020600@qumranet.com> <20070103022241.GA13840@elte.hu> <459B6A15.4010208@qumranet.com> <20070103100235.GA17168@elte.hu> <459B8267.5080000@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel Return-path: To: Avi Kivity Content-Disposition: inline In-Reply-To: <459B8267.5080000-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org * Avi Kivity wrote: > A question. What's __flush_tlb() doing in the context switch path? > Shouldn't it just load the new cr3 and be done with it? hmm .... it /does/ use load_cr3, which uses write_cr3(). Maybe i'm wrong about this analysis and the 'speedup' was a cache alignment fluke ... Ingo ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV