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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 017F4C47423 for ; Thu, 1 Oct 2020 19:48:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C507120780 for ; Thu, 1 Oct 2020 19:48:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732912AbgJATsS (ORCPT ); Thu, 1 Oct 2020 15:48:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729990AbgJATsS (ORCPT ); Thu, 1 Oct 2020 15:48:18 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4E3F3C0613D0; Thu, 1 Oct 2020 12:48:18 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id DF86014671C73; Thu, 1 Oct 2020 12:31:28 -0700 (PDT) Date: Thu, 01 Oct 2020 12:48:15 -0700 (PDT) Message-Id: <20201001.124815.793423380665613978.davem@davemloft.net> To: colyli@suse.de Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org, chaitanya.kulkarni@wdc.com, cleech@redhat.com, hch@lst.de, amwang@redhat.com, eric.dumazet@gmail.com, hare@suse.de, idryomov@gmail.com, jack@suse.com, jlayton@kernel.org, axboe@kernel.dk, lduncan@suse.com, michaelc@cs.wisc.edu, mskorzhinskiy@solarflare.com, philipp.reisner@linbit.com, sagi@grimberg.me, vvs@virtuozzo.com, vbabka@suse.com Subject: Re: [PATCH v9 0/7] Introduce sendpage_ok() to detect misused sendpage in network related drivers From: David Miller In-Reply-To: <20201001.124345.2303686561459641833.davem@davemloft.net> References: <20201001075408.25508-1-colyli@suse.de> <20201001.124345.2303686561459641833.davem@davemloft.net> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-7 Content-Transfer-Encoding: base64 X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Thu, 01 Oct 2020 12:31:29 -0700 (PDT) Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org RnJvbTogRGF2aWQgTWlsbGVyIDxkYXZlbUBkYXZlbWxvZnQubmV0Pg0KRGF0ZTogVGh1LCAwMSBP Y3QgMjAyMCAxMjo0Mzo0NSAtMDcwMCAoUERUKQ0KDQo+IFNlcmllcyBhcHBsaWVkIGFuZCBxdWV1 ZWQgdXAgZm9yIC1zdGFibGUsIHRoYW5rIHlvdS4NCg0KQWN0dWFsbHksIHRoaXMgZG9lc24ndCBl dmVuIGJ1aWxkOg0KDQpJbiBmaWxlIGluY2x1ZGVkIGZyb20gLi9hcmNoL3g4Ni9pbmNsdWRlL2Fz bS9idWcuaDo5MywNCiAgICAgICAgICAgICAgICAgZnJvbSAuL2luY2x1ZGUvbGludXgvYnVnLmg6 NSwNCiAgICAgICAgICAgICAgICAgZnJvbSAuL2luY2x1ZGUvbGludXgvbW1kZWJ1Zy5oOjUsDQog ICAgICAgICAgICAgICAgIGZyb20gLi9pbmNsdWRlL2xpbnV4L21tLmg6OSwNCiAgICAgICAgICAg ICAgICAgZnJvbSBuZXQvc29ja2V0LmM6NTU6DQpuZXQvc29ja2V0LmM6IEluIGZ1bmN0aW9uIKFr ZXJuZWxfc2VuZHBhZ2WiOg0KLi9pbmNsdWRlL2FzbS1nZW5lcmljL2J1Zy5oOjk3OjM6IGVycm9y OiB0b28gZmV3IGFyZ3VtZW50cyB0byBmdW5jdGlvbiChX193YXJuX3ByaW50a6INCiAgIDk3IHwg ICBfX3dhcm5fcHJpbnRrKGFyZyk7ICAgICBcDQogICAgICB8ICAgXn5+fn5+fn5+fn5+fg0KDQpX YXMgdGhpcyBldmVuIGJ1aWxkIHRlc3RlZD8NCg0K