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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 35DB0ECAAD1 for ; Wed, 31 Aug 2022 23:49:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S7jPkOYBwac8qC34nK3SY2G2LAOdWyfIUqKuxgclApY=; b=AM4h20HX/1p68qqD2pfScmO2sJ TKgT73a16Zwh+vQ01Cf8CFiFP5AXdAd+xk1glI1WPRqpGCNbebA2BCkzeqp7M3vdjhH6yi4SHlCtn zgnq0yvG7B9yh3ccfIX62acWuP6N0cLWNHdq58ma2L04bJpyjtAQ7WIrhM0eK71vQLk+Y8towpUEh PUmT9/4YgzT8+xeY5Y8EW/zYST34NunT3xG/jG5FlN+1VLZWB58oh3E8sXMi7K023B+1EHYmH6Gta vnD4qnDbnY6OZaQ0AcE/u7CwysvlaYNE++65CGiZbMk1uLmgBMb4EpQVczKqkvO1658FNgOHTmilD mKRnhMeA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oTXSP-008ezK-VC; Wed, 31 Aug 2022 23:49:17 +0000 Received: from zeniv.linux.org.uk ([2a03:a000:7:0:5054:ff:fe1c:15ff]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oTXSM-008eyi-Mr for linux-nvme@lists.infradead.org; Wed, 31 Aug 2022 23:49:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=S7jPkOYBwac8qC34nK3SY2G2LAOdWyfIUqKuxgclApY=; b=harToSvXXXtKZNY/7p0UCHiheI NH8Ml83jhu51qV79EUrIGtDQUZtkBPPWvSSaXPU6q6SP6G1FBRWNphPuVeRxjENgPmmAC6nWLzxgH cSHpuT8aLUgxu8T0QphOgQlOLMpXKz4tX7FzFgzfnw22VRQ4YWTipD6yPL6An5cu6ijaMoSGBZTg+ pc+ym/z4ggxvkd/Kmn7MDg6Y1sajVQYNBrnE4QW7mwNnKuef4CutI+bvU3aWGc9q7d7mfY7oUprRl VxYamz7Z36YQMHQxlgsyZKUiBNwsgVZR+lKw2VW5TJcIyDXbNmaaaIYodxsyPdE8dVyR4CE5JAeHL MRpTWSgA==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.95 #2 (Red Hat Linux)) id 1oTXRs-00AmZd-L4; Wed, 31 Aug 2022 23:48:44 +0000 Date: Thu, 1 Sep 2022 00:48:44 +0100 From: Al Viro To: "Fabio M. De Francesco" Cc: Sagi Grimberg , Christoph Hellwig , Chaitanya Kulkarni , James Smart , Ira Weiny , "Venkataramanan, Anirudh" , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Chaitanya Kulkarni , Keith Busch Subject: Re: [PATCH v3 1/1] nvmet-tcp: Don't kmap() pages which can't come from HIGHMEM Message-ID: References: <20220822142438.5954-1-fmdefrancesco@gmail.com> <2887364.VdNmn5OnKV@opensuse> <1924196.usQuhbGJ8B@opensuse> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1924196.usQuhbGJ8B@opensuse> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220831_164914_778734_ADFDA3C2 X-CRM114-Status: GOOD ( 11.17 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Aug 30, 2022 at 10:06:54PM +0200, Fabio M. De Francesco wrote: > Thanks so much for the time you spent writing this detailed explanation. I > really appreciated that you spend time for teaching newcomers with kindness > and patience. *blink* You are welcome, but TBH answering your question took about 5 minutes. The question had been fairly simple and reasonable, and the lack of in-tree documentation covering that is my own fault, so...