From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753591AbdBNLBw (ORCPT ); Tue, 14 Feb 2017 06:01:52 -0500 Received: from ozlabs.org ([103.22.144.67]:42189 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752565AbdBNLBs (ORCPT ); Tue, 14 Feb 2017 06:01:48 -0500 From: Michael Ellerman To: Michael Neuling , "Aneesh Kumar K.V" , akpm@linux-foundation.org, Rik van Riel , Mel Gorman , paulus@ozlabs.org, benh@kernel.crashing.org Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write In-Reply-To: <1487044759.21048.24.camel@neuling.org> References: <1486609259-6796-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1486609259-6796-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1487044759.21048.24.camel@neuling.org> User-Agent: Notmuch/0.21 (https://notmuchmail.org) Date: Tue, 14 Feb 2017 22:01:43 +1100 Message-ID: <871sv1m3xk.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Michael Neuling writes: > On Thu, 2017-02-09 at 08:30 +0530, Aneesh Kumar K.V wrote: >> With this our protnone becomes a present pte with READ/WRITE/EXEC bit cleared. >> By default we also set _PAGE_PRIVILEGED on such pte. This is now used to help >> us identify a protnone pte that as saved write bit. For such pte, we will >> clear >> the _PAGE_PRIVILEGED bit. The pte still remain non-accessible from both user >> and kernel. >> >> Signed-off-by: Aneesh Kumar K.V > > > FWIW I've tested this, so: > > Acked-By: Michael Neuling In future if you've tested something then "Tested-by:" is the right tag to use. cheers