From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F90AC433E0 for ; Mon, 18 May 2020 09:36:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D63A02067D for ; Mon, 18 May 2020 09:36:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D63A02067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5534C900003; Mon, 18 May 2020 05:36:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4DD2D900002; Mon, 18 May 2020 05:36:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 37C7A900003; Mon, 18 May 2020 05:36:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0151.hostedemail.com [216.40.44.151]) by kanga.kvack.org (Postfix) with ESMTP id 1AFE1900002 for ; Mon, 18 May 2020 05:36:58 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id C4516BBD7 for ; Mon, 18 May 2020 09:36:57 +0000 (UTC) X-FDA: 76829335674.13.mind14_59dc9fb666340 X-HE-Tag: mind14_59dc9fb666340 X-Filterd-Recvd-Size: 2569 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Mon, 18 May 2020 09:36:57 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 5F45EAC46; Mon, 18 May 2020 09:36:58 +0000 (UTC) Subject: Re: [PATCH v5 04/10] mmap locking API: use coccinelle to convert mmap_sem rwsem call sites To: Michel Lespinasse , Andrew Morton , linux-mm Cc: LKML , Peter Zijlstra , Laurent Dufour , Matthew Wilcox , Liam Howlett , Jerome Glisse , Davidlohr Bueso , David Rientjes , Hugh Dickins , Ying Han , Jason Gunthorpe , Daniel Jordan References: <20200422001422.232330-1-walken@google.com> <20200422001422.232330-5-walken@google.com> From: Vlastimil Babka Message-ID: <54ad4f32-ffa7-e418-24de-2e410361300e@suse.cz> Date: Mon, 18 May 2020 11:36:54 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200422001422.232330-5-walken@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 4/22/20 2:14 AM, Michel Lespinasse wrote: > This change converts the existing mmap_sem rwsem calls to use the new > mmap locking API instead. > > The change is generated using coccinelle with the following rule: > > // spatch --sp-file mmap_lock_api.cocci --in-place --include-headers --dir . > > @@ > expression mm; > @@ > ( > -init_rwsem > +mmap_init_lock > | > -down_write > +mmap_write_lock > | > -down_write_killable > +mmap_write_lock_killable > | > -down_write_trylock > +mmap_write_trylock > | > -up_write > +mmap_write_unlock > | > -downgrade_write > +mmap_write_downgrade > | > -down_read > +mmap_read_lock > | > -down_read_killable > +mmap_read_lock_killable > | > -down_read_trylock > +mmap_read_trylock > | > -up_read > +mmap_read_unlock > ) > -(&mm->mmap_sem) > +(mm) > > Signed-off-by: Michel Lespinasse > Reviewed-by: Daniel Jordan Reviewed-by: Vlastimil Babka