From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763219AbZDHSOS (ORCPT ); Wed, 8 Apr 2009 14:14:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756433AbZDHSOA (ORCPT ); Wed, 8 Apr 2009 14:14:00 -0400 Received: from mx2.redhat.com ([66.187.237.31]:52131 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754601AbZDHSN7 (ORCPT ); Wed, 8 Apr 2009 14:13:59 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <49DCDFC9.9000505@goop.org> References: <49DCDFC9.9000505@goop.org> <1238176963-21093-1-git-send-email-jeremy@goop.org> <20090408145440.GN12931@elte.hu> To: Jeremy Fitzhardinge Cc: dhowells@redhat.com, Ingo Molnar , Andrew Morton , the arch/x86 maintainers , Linux Kernel Mailing List , Peter Zijlstra , Nick Piggin , Thomas Gleixner , Yoshinori Sato Subject: Re: [PATCH] Allow preemption during lazy mmu updates Date: Wed, 08 Apr 2009 19:10:21 +0100 Message-ID: <21081.1239214221@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jeremy Fitzhardinge wrote: > David, do you have a specific reason for defining > arch_enter/leave_lazy_cpu_mode() in asm-frv/pgtable.h? It seems to have come > in with 28936117af849b8c2fca664a41ea7651a0d99591 "FRV: Add some missng lazy > MMU hooks for NOMMU mode". The intention was that asm-generic/pgtable.h > should supply the default definitions; is that incompatible with nommu or > something? I don't remember. It was over two years ago. My guess is that it was to get things to compile. Note that in NOMMU mode, is _not_ #included by . David