Date: Thu, 28 Feb 2008 17:13:02 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
To: Jack Steiner <steiner@sgi.com>
cc: Andrea Arcangeli <andrea@qumranet.com>, Nick Piggin <npiggin@suse.de>,
       akpm@linux-foundation.org, Robin Holt <holt@sgi.com>,
       Avi Kivity <avi@qumranet.com>, Izik Eidus <izike@qumranet.com>,
       kvm-devel@lists.sourceforge.net,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, general@lists.openfabrics.org,
       Steve Wise <swise@opengridcomputing.com>,
       Roland Dreier <rdreier@cisco.com>, Kanoj Sarcar <kanojsarcar@yahoo.com>,
       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       daniel.blueman@quadrics.com
Subject: Re: [PATCH] mmu notifiers #v7
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On Fri, 29 Feb 2008, Andrea Arcangeli wrote:

> On Thu, Feb 28, 2008 at 05:17:33PM -0600, Jack Steiner wrote:
> > I disagree. The location of the callout IS a performance issue. In simple
> > comparisons of the 2 patches (Christoph's vs. Andrea's), Andrea's has a 7X
> > increase in the number of TLB purges being issued to the GRU. TLB flushing
> 
> Are you sure that you're referring to #v7?

Jack: AFAICT Andrea moved the release callout and things will be 
fine in the next release.

 
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