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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96018C433F5 for ; Sun, 6 Mar 2022 04:36:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E41B76B0071; Sat, 5 Mar 2022 23:36:17 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DC9616B0072; Sat, 5 Mar 2022 23:36:17 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C69946B0073; Sat, 5 Mar 2022 23:36:17 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.26]) by kanga.kvack.org (Postfix) with ESMTP id B38F36B0071 for ; Sat, 5 Mar 2022 23:36:17 -0500 (EST) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 7AB7B2118F for ; Sun, 6 Mar 2022 04:36:17 +0000 (UTC) X-FDA: 79212699594.14.3A57451 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf31.hostedemail.com (Postfix) with ESMTP id 171E420002 for ; Sun, 6 Mar 2022 04:36:16 +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=Y6IRrwM9XbIc9OImDeEJKAn2uhHKqiedoDrNGSRpu4g=; b=AQmadDiwfjVWyyySRxV//3KZkQ aeexEdj4JEOcM1yo4N01ZtuJZjeiXCI+Fu7Zhusm/7TAW9P1aJYk0pxa5axDFl4nn/J3FeC6PUrUl N8sncEvKispevm1wo87a51sQE2cJsFpitIHcgsPWcN+2AJkLqf51AJEjYSaE+R/b01eeVWYeFNPkc DNJK7pw49C8yrGasV2lIGCIyKVRv8Z2wDMCXZKRg2njCqG1PTggVp/a/2bYkQGuD+fX58FvN36ve7 qFf0PwLnd0ZG3KvxgZWH0plfkNICc1nmffc1bUj/AciAx1GKmfKFENeGVZ0VhMoau0IRhs0WFYtCq bQtR54ZA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nQicl-00E6AT-2W; Sun, 06 Mar 2022 04:36:03 +0000 Date: Sun, 6 Mar 2022 04:36:03 +0000 From: Matthew Wilcox To: Jarkko Sakkinen Cc: Andrew Morton , Dave Hansen , Nathaniel McCallum , Reinette Chatre , linux-sgx@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, codalist@coda.cs.cmu.edu, linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH RFC] mm: Add f_ops->populate() Message-ID: References: <20220306021534.83553-1-jarkko@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 171E420002 X-Stat-Signature: u19tz49k5ody4bxd4s4ygf9nfusfmihw Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=AQmadDiw; spf=none (imf31.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-HE-Tag: 1646541376-229044 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000229, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Mar 06, 2022 at 06:25:52AM +0200, Jarkko Sakkinen wrote: > > Are you deliberately avoiding the question? I'm not asking about > > implementation. I'm asking about the semantics of MAP_POPULATE with > > your driver. > > No. I just noticed a bug in the guard from your comment that I wanted > point out. > > With the next version I post the corresponding change to the driver, > in order to see this in context. Oh, good grief. Don't bother. NAK.