From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 12 May 2010 11:00:03 +1000 From: Paul Mackerras To: Michael Neuling Subject: Re: [PATCH 2/2] powerpc,kexec: Speedup kexec hpte tear down Message-ID: <20100512010003.GB3548@drongo> References: <20100511062826.E1C49D3340@localhost.localdomain> <1273561463.9209.138.camel@concordia> <30983.1273620594@neuling.org> <1273624565.5738.8.camel@concordia> <7247.1273624988@neuling.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <7247.1273624988@neuling.org> Cc: linuxppc-dev@ozlabs.org, kexec@lists.infradead.org, Anton Blanchard List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, May 12, 2010 at 10:43:08AM +1000, Michael Neuling wrote: > We probably only do the remove on < 1% of the hptes now. So I doubt we > would get a speedup since most of the time we aren't do the remove > anymore. It would be nice to have some actual numbers. Could you add some counters and print the results at the end? (Or don't you have any way to print things at that stage?) Paul.