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=-8.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 8790AC433F5 for ; Sun, 5 Sep 2021 17:24:31 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 090E560EE1 for ; Sun, 5 Sep 2021 17:24:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 090E560EE1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zeniv.linux.org.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id B9DD380F1E; Sun, 5 Sep 2021 17:24:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nA3y5erJoCMO; Sun, 5 Sep 2021 17:24:29 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 53FB980E71; Sun, 5 Sep 2021 17:24:29 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 286B8C0010; Sun, 5 Sep 2021 17:24:29 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 76C78C000E; Sun, 5 Sep 2021 17:24:26 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 5E6D340369; Sun, 5 Sep 2021 17:24:26 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ferrjdfvBWoB; Sun, 5 Sep 2021 17:24:25 +0000 (UTC) X-Greylist: delayed 00:28:24 by SQLgrey-1.8.0 X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from zeniv-ca.linux.org.uk (zeniv-ca.linux.org.uk [142.44.231.140]) by smtp4.osuosl.org (Postfix) with ESMTPS id 2B5674035A; Sun, 5 Sep 2021 17:24:25 +0000 (UTC) Received: from viro by zeniv-ca.linux.org.uk with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mMvFw-001XlV-Bq; Sun, 05 Sep 2021 16:44:32 +0000 Date: Sun, 5 Sep 2021 16:44:32 +0000 From: Al Viro To: "Michael S. Tsirkin" Subject: Re: [PATCH v13 03/13] file: Export receive_fd() to modules Message-ID: References: <20210831103634.33-1-xieyongji@bytedance.com> <20210831103634.33-4-xieyongji@bytedance.com> <20210905115642-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210905115642-mutt-send-email-mst@kernel.org> Cc: kvm@vger.kernel.org, jasowang@redhat.com, virtualization@lists.linux-foundation.org, christian.brauner@canonical.com, will@kernel.org, corbet@lwn.net, willy@infradead.org, hch@infradead.org, Xie Yongji , dan.carpenter@oracle.com, sgarzare@redhat.com, xiaodong.liu@intel.com, linux-fsdevel@vger.kernel.org, mika.penttila@nextfour.com, stefanha@redhat.com, songmuchun@bytedance.com, axboe@kernel.dk, zhe.he@windriver.com, gregkh@linuxfoundation.org, rdunlap@infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, bcrl@kvack.org, netdev@vger.kernel.org, joe@perches.com, robin.murphy@arm.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Sun, Sep 05, 2021 at 11:57:22AM -0400, Michael S. Tsirkin wrote: > On Tue, Aug 31, 2021 at 06:36:24PM +0800, Xie Yongji wrote: > > Export receive_fd() so that some modules can use > > it to pass file descriptor between processes without > > missing any security stuffs. > > > > Signed-off-by: Xie Yongji > > Acked-by: Jason Wang > > This needs some acks from fs devels. > Viro? *shrug* I still think that having random ioctls messing with descriptor table is a bad idea, and I'm not thrilled with the way it's currently factored, but we can change that later. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu