From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Schwidefsky Subject: Re: [PATCH 1/2] mm: add architecture primitives for software dirty bit clearing Date: Tue, 22 Sep 2015 09:35:49 +0200 Message-ID: <20150922093549.504a5fb3@mschwide> References: <1442848940-22108-1-git-send-email-schwidefsky@de.ibm.com> <1442848940-22108-2-git-send-email-schwidefsky@de.ibm.com> <20150921194854.GD3181@uranus> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from e06smtp17.uk.ibm.com ([195.75.94.113]:46387 "EHLO e06smtp17.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932340AbbIVHfz (ORCPT ); Tue, 22 Sep 2015 03:35:55 -0400 Received: from /spool/local by e06smtp17.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 22 Sep 2015 08:35:53 +0100 Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id 1031B17D805D for ; Tue, 22 Sep 2015 08:37:44 +0100 (BST) Received: from d06av02.portsmouth.uk.ibm.com (d06av02.portsmouth.uk.ibm.com [9.149.37.228]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t8M7Zqu634603234 for ; Tue, 22 Sep 2015 07:35:52 GMT Received: from d06av02.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av02.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t8M7Zpub026879 for ; Tue, 22 Sep 2015 01:35:52 -0600 In-Reply-To: <20150921194854.GD3181@uranus> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Cyrill Gorcunov Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org On Mon, 21 Sep 2015 22:48:54 +0300 Cyrill Gorcunov wrote: > On Mon, Sep 21, 2015 at 05:22:19PM +0200, Martin Schwidefsky wrote: > > There are primitives to create and query the software dirty bits > > in a pte or pmd. But the clearing of the software dirty bits is done > > in common code with x86 specific page table functions. > > > > Add the missing architecture primitives to clear the software dirty > > bits to allow the feature to be used on non-x86 systems, e.g. the > > s390 architecture. > > > > Signed-off-by: Martin Schwidefsky > > Looks good to me. Thank you, Martin! > (I cant ack s390 part 'casuse I simply not familiar > with the architecture). Sure, the s390 patch just shows why the new arch functions are needed.. > Acked-by: Cyrill Gorcunov Thanks. I have added both patches to the features branch of linux-s390 for the 4.4 merge window. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.