From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [PATCH 3/3] Eliminate read_cr3 on TLB flush Date: Wed, 30 May 2007 08:38:31 -0700 Message-ID: <465D9A77.90505@goop.org> References: <465D8F03.7000201@us.ibm.com> <465D8FF5.6040804@us.ibm.com> <200705301701.23386.ak@suse.de> <465D9907.40406@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <465D9907.40406@us.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Anthony Liguori Cc: kvm-devel , Ingo Molnar , virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org Anthony Liguori wrote: > Sure. It adds a few more cycles onto native though (two memory reads, > and some math). As opposed to a serializing control-register read? I think that's probably a win. J