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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 48B52C43460 for ; Wed, 7 Apr 2021 02:38:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CB9D76103E for ; Wed, 7 Apr 2021 02:38:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB9D76103E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 687B06B0093; Tue, 6 Apr 2021 22:38:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 65E0B6B0095; Tue, 6 Apr 2021 22:38:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5260C6B0096; Tue, 6 Apr 2021 22:38:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0194.hostedemail.com [216.40.44.194]) by kanga.kvack.org (Postfix) with ESMTP id 352176B0093 for ; Tue, 6 Apr 2021 22:38:06 -0400 (EDT) Received: from smtpin35.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id ED0288249980 for ; Wed, 7 Apr 2021 02:38:05 +0000 (UTC) X-FDA: 78004011330.35.8DE7422 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf23.hostedemail.com (Postfix) with ESMTP id 78F41A000390 for ; Wed, 7 Apr 2021 02:38:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=GXnM9RJclPMF2auKRyyoc6QRpWNTrxwbJZJDrLj/q3Q=; b=u5xtNjfCwgrRjHfJFl2ks8b29i KpDRU8ybuZnLRp+ML7Nlucf479s85Zm6Wbeujnujy09d3KrsfPHuYvmp/ofOeI7/JvCEg47vyuKSu MIRMQaWRdgxwfXix1EldTPNi14Z+52DgyzQfgwG47JFAoEylxg0MArfPQ3y94VPyqpL1hulY6N/jf PFaAPeVmgg5NeGIWHBS/Y/O7orrJ8MCzB/O3EKeRcuGLQXwJWnFnuhsfe2RgvBMfyAMoBlYNQTxlO j7E8fQ44qYZkYgLGOYevD5v49KsGiDKmyMEKT6J87EbheOtoB/NPkkwvBJWeGKL9KdWukRqnlLbbs 6gxwkeuA==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lTy4i-00Dm4l-G2; Wed, 07 Apr 2021 02:37:53 +0000 Date: Wed, 7 Apr 2021 03:37:48 +0100 From: Matthew Wilcox To: Michel Lespinasse Cc: Linux-MM , Laurent Dufour , Peter Zijlstra , Michal Hocko , Rik van Riel , Paul McKenney , Andrew Morton , Suren Baghdasaryan , Joel Fernandes , Rom Lemarchand , Linux-Kernel Subject: Re: [RFC PATCH 27/37] mm: implement speculative handling in do_fault_around() Message-ID: <20210407023748.GY2531743@casper.infradead.org> References: <20210407014502.24091-1-michel@lespinasse.org> <20210407014502.24091-28-michel@lespinasse.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210407014502.24091-28-michel@lespinasse.org> X-Rspamd-Queue-Id: 78F41A000390 X-Stat-Signature: 3foyfjb9ym6557kci79fxoc4zt1r17or X-Rspamd-Server: rspam02 Received-SPF: none (infradead.org>: No applicable sender policy available) receiver=imf23; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1617763084-160146 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 Tue, Apr 06, 2021 at 06:44:52PM -0700, Michel Lespinasse wrote: > Change xfs_filemap_map_pages() account for the fact that it can not > block anymore, as it is now running within an rcu read lock. Better to just delete xfs_filemap_map_pages() and use filemap_map_pages directly.