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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 2FFF8C3A5A9 for ; Thu, 16 Apr 2020 05:32:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EA2EC20771 for ; Thu, 16 Apr 2020 05:32:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="XUW+Db+s" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA2EC20771 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 13E1C8E0081; Thu, 16 Apr 2020 01:32:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0C76B8E0001; Thu, 16 Apr 2020 01:32:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E0C758E0081; Thu, 16 Apr 2020 01:32:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0029.hostedemail.com [216.40.44.29]) by kanga.kvack.org (Postfix) with ESMTP id C7B0E8E0001 for ; Thu, 16 Apr 2020 01:32:15 -0400 (EDT) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 8503E180AD817 for ; Thu, 16 Apr 2020 05:32:15 +0000 (UTC) X-FDA: 76712597430.27.play98_13a8ab1f98912 X-HE-Tag: play98_13a8ab1f98912 X-Filterd-Recvd-Size: 2520 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Thu, 16 Apr 2020 05:32:14 +0000 (UTC) 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=caaBFvJdfOo1IN5qevwlJmwf935Igyt+4EcpOBF44yE=; b=XUW+Db+sJFJbLBoT8O5Wa0upCM /aJd+zWh0noLirqF3SVMiXpymnjLe2pbURetrVTa/cBAFmv0kU/9CkjyOkMUX6ItRycFtWBPd8WNB y43uek6dwdJWBJZQWlqcKldVjOchgwPo55LyImUsSYL2T5MY2hP5YyyRLFJE16gH9x3dlp2saYoiG 8hz2Bv7hq6CvtCqux1v32NoCaZZytQny8Tq3TY5gDJecVHXo4f5h6Dy9XuhU4MCEP7fPUMAEOcBdA vbvIfpCbshY9cVHo5xPgTl2uM6SAwiLbSF948nCXBCVfurje9wpH4LMz5EbRV2hW7mspgF17vb1C1 srKZ6lNg==; Received: from [2001:4bb8:184:4aa1:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOx84-0003cw-Kn; Thu, 16 Apr 2020 05:32:01 +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 v2 Date: Thu, 16 Apr 2020 07:31:55 +0200 Message-Id: <20200416053158.586887-1-hch@lst.de> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Content-Transfer-Encoding: quoted-printable 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: 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. Changes since v1: - drop a few patches - fix a comment typo - cover the newly merged use_mm/unuse_mm caller in vfio