Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1376279ybb; Sat, 4 Apr 2020 02:42:47 -0700 (PDT) X-Google-Smtp-Source: APiQypILawyJMPriqKYwUXFuBL3YSMybTKGsJnnqREsazQ9jdgmARjO8+IICtd08OhTweIcOvv8A X-Received: by 2002:aca:c390:: with SMTP id t138mr5912769oif.117.1585993366961; Sat, 04 Apr 2020 02:42:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585993366; cv=none; d=google.com; s=arc-20160816; b=vjgLxu3+W9xUsNjqK3a4L0fbpUcxkh7cVwaAVg9ISMQAlXawl8f23Oecyyb6/V3LB8 Ow6BjoFGFIPxpZTKugNJPVKhhZgZMgeJ2RNFRe+kYwfyG7hG+1eukaFxPDq79CBNKQLI 0hRSfRLSmbUq2gyvDghx4aYgCOjy1yKZqAnBpqWTQ4Ny0dYjEtnJrnjolhf+yVc0Gqft MBmf50lgNEXK50yzayOJu4nCzrERNVe5bHglO+YL5ptlEDQybkAIJBszM3UYVB0xneQw kLisVDSa4yGTMbE//yzysXQqt/pEV8H6RI5J0Dys07VJVnupAACUSMVFYNo7hDxgBxKz cPWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=WdsCUkqz+ZpftO7Mf21Mzxh3783sco48fV7R9K5+cSI=; b=XU0hRqZFOae6QUVz2r/Ee1oJwwQ4syBBefvXpww0N5wZnUA7q+QKBXLsjXvSmbCdrO YodtbehxpSjtMrqevmalxW2imgpiRk2Aa32371TPgtgjAgKKmGdgM5+DhDzR4/4OWiAh eSk0buwizHuTwER8onMGBdB7+IDilfur5b7Fvpap4drfHnyhOVqgwX/YfUSF2jpczhYj gPNPtb5vRNUI89gXJY5I7nF2y1RNo58lvLiBuqFR7Xxdh6Yw6BfRzbwHSxhgQxqei6iH h2M1QQvHKGbGcJQBcwhj6+JoRE+dI+op6frGncBWuEr//dk7RoWS80Fn/pPacw6HoaL3 6IvQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=PELXH5ny; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j15si5147571oos.59.2020.04.04.02.42.34; Sat, 04 Apr 2020 02:42:46 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=PELXH5ny; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726057AbgDDJlU (ORCPT + 99 others); Sat, 4 Apr 2020 05:41:20 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:37190 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbgDDJlU (ORCPT ); Sat, 4 Apr 2020 05:41:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=WdsCUkqz+ZpftO7Mf21Mzxh3783sco48fV7R9K5+cSI=; b=PELXH5ny0M3kB+GT2d8Pd5dD9q 8eanzcnxkv+aCZo7xU0MTLzbvHbFLRHyVQouUh6JEjIJaO0V5GxWO92Ywe09m95JPqXzd7HiGKqlm jW2BNwUQ2BtPIZ5kE6znphfh0jXoXYAcstagyulmremdMh291CUui94WRBcUPNWOAdQzqn5nfvSp9 wzb7CZc9Qjt0wrAkoz7EHRrJOG0f0ZGg3YNyhb6HyaGU8uJKs2EX+nSZPB8n0IXDvXq/eW66dDriv z9PXCQgcdAm8Gv8jY0EKvfNz1aM4G5PN1Z1U6hgvGS5PaLbNtEoMK6qUpnowB9MtGYPkdq0+1JT6U CwulSteA==; Received: from [2001:4bb8:180:7914:2ca6:9476:bbfa:a4d0] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jKfIW-0002cl-88; Sat, 04 Apr 2020 09:41:04 +0000 From: Christoph Hellwig To: Linus Torvalds , Andrew Morton Cc: Al Viro , Felix Kuehling , Alex Deucher , Zhenyu Wang , Zhi Wang , Felipe Balbi , "Michael S. Tsirkin" , Jason Wang , Jens Axboe , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-usb@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-mm@kvack.org Subject: improve use_mm / unuse_mm Date: Sat, 4 Apr 2020 11:40:55 +0200 Message-Id: <20200404094101.672954-1-hch@lst.de> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, this series improves the use_mm / unuse_mm interface by better documenting the assumptions, and my taking the set_fs manipulations spread over the callers into the core API.