From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262679AbVAQEiJ (ORCPT ); Sun, 16 Jan 2005 23:38:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262686AbVAQEiJ (ORCPT ); Sun, 16 Jan 2005 23:38:09 -0500 Received: from fsmlabs.com ([168.103.115.128]:63456 "EHLO fsmlabs.com") by vger.kernel.org with ESMTP id S262679AbVAQEhS (ORCPT ); Sun, 16 Jan 2005 23:37:18 -0500 Date: Sun, 16 Jan 2005 21:37:28 -0700 (MST) From: Zwane Mwaikambo To: Benjamin Herrenschmidt cc: Andrew Morton , Linux PPC64 , Anton Blanchard , Linux Kernel list Subject: Re: [PATCH] PPC64 pmac hotplug cpu In-Reply-To: <1105827794.27410.82.camel@gaston> Message-ID: References: <1105827794.27410.82.camel@gaston> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello Ben, On Sun, 16 Jan 2005, Benjamin Herrenschmidt wrote: > Looks good, but you could do even better :) I still want to look at the > proper mecanism to flush the CPU cache on 970, but the idea here is to > flush it, and put the CPU into a NAP loop (the 970 has no SLEEP mode) > with the caches clean and MSR:EE off. We can later get it back with a > soft reset. Thanks for the suggestions! I'll work on getting something together. Zwane