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=-14.9 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 9EC58C35247 for ; Tue, 4 Feb 2020 21:57:18 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5B7702082E for ; Tue, 4 Feb 2020 21:57:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OH2U30gH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5B7702082E Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0216F6B0005; Tue, 4 Feb 2020 16:57:18 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id EED0D6B0006; Tue, 4 Feb 2020 16:57:17 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DB5366B0007; Tue, 4 Feb 2020 16:57:17 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0243.hostedemail.com [216.40.44.243]) by kanga.kvack.org (Postfix) with ESMTP id BFDD76B0005 for ; Tue, 4 Feb 2020 16:57:17 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 7795D824805A for ; Tue, 4 Feb 2020 21:57:17 +0000 (UTC) X-FDA: 76453806114.10.mine88_3f9897b77222a X-HE-Tag: mine88_3f9897b77222a X-Filterd-Recvd-Size: 4745 Received: from mail-qv1-f68.google.com (mail-qv1-f68.google.com [209.85.219.68]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Tue, 4 Feb 2020 21:57:16 +0000 (UTC) Received: by mail-qv1-f68.google.com with SMTP id p2so127765qvo.10 for ; Tue, 04 Feb 2020 13:57:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=o8PJJopMHRnW2Lc0cvuzqZJdPgsHNH4EmbqfPi2CudQ=; b=OH2U30gH+ZDmHD5RKklKpDEpNSUh2d5eNyvmYsHQBPN7ljSC5DhtSh97amEFql9+83 HIKukiAIGsoEcookCeIj3IUimjLT45df6BDTvuoIo97U1KeQIHYtNEdNFu5RI5RlTo94 5wxZ2VMVw23n+ITPWSknknHiTgiwthNe9VreGu8Ak3ShMZuF77zCdXwW+bOD1pC3+TPj cHpvtOPMDheERtzU01rUP+UH5fm5uyvTwTXecYfA3Vfie6gNJnHoWPx1I0HaXpEIa7d1 XDwcPqTpjbFockMXiPTgzD/tqt3FHDIemmXEJopYHIVMf6OPHIBcjBniqMhd7BFvVtsU j3Iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=o8PJJopMHRnW2Lc0cvuzqZJdPgsHNH4EmbqfPi2CudQ=; b=jC41uOo6eXgTN5ulO38p8sjeq4wWAbQC0uuJmoagl3zfK/PIz+mQfPUCYN+oip7wWP g9y+5kJIa+nTcfmYkMmOf6hFLBa4ga9PWGSjxq6hST06pvcD59C26B4Tscke7gvwgvcx xmDMu2udTbJjuhs9rht5I1Cb38pjA7N1tUMn+pmhgKqaTga1/CRRwNdl9xvk1WTD98Kk vidkl8vt5AGHgO4Di1dykHzLCMx3u/S4QI3czVf3TMvwKzLJvIKHfoY3HpIdGOXu5WWN G2D23ufAY/QuwWlkBFtHjOP5I9YAT9K/3LI+aQlZ2tmYopgknnm9F0yIbqSV9+Wbn7lP MJWA== X-Gm-Message-State: APjAAAWR7xHYSmYKztQ9q3UDSj3PU5jd2xVnQohxG4enifMOyGf9Mnnq nBmvDPLEAkEHQ8zArWaQMg2yXg== X-Google-Smtp-Source: APXvYqw8wHQQ0TYYiyrNaAoyP1/6XXQmpVV3cfhOYaaGrRAqGG/43MHnS1ojgBUHUfnNQbnIl0rsDw== X-Received: by 2002:ad4:4511:: with SMTP id k17mr28109982qvu.135.1580853435966; Tue, 04 Feb 2020 13:57:15 -0800 (PST) Received: from ?IPv6:2620:0:1004:a:6e2b:60f7:b51b:3b04? ([2620:0:1004:a:6e2b:60f7:b51b:3b04]) by smtp.gmail.com with ESMTPSA id y26sm12042230qtv.28.2020.02.04.13.57.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Feb 2020 13:57:15 -0800 (PST) Subject: Re: [PATCH RFC 10/10] nvdimm/e820: add multiple namespaces support To: Dan Williams Cc: Joao Martins , linux-nvdimm , Vishal Verma , Dave Jiang , Ira Weiny , Alex Williamson , Cornelia Huck , KVM list , Andrew Morton , Linux MM , Linux Kernel Mailing List , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , X86 ML , Liran Alon , Nikita Leshenko , Boris Ostrovsky , Matthew Wilcox , Konrad Rzeszutek Wilk References: <20200110190313.17144-1-joao.m.martins@oracle.com> <20200110190313.17144-11-joao.m.martins@oracle.com> From: Barret Rhoden Message-ID: Date: Tue, 4 Feb 2020 16:57:14 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit 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: On 2/4/20 4:43 PM, Dan Williams wrote: > Ah, got it, you only ended up at wanting namespace labels because > there was no other way to carve up device-dax. That's changing as part > of the efi_fake_mem= enabling and I have a patch set in the works to > allow discontiguous sub-divisions of a device-dax range. Note that is > this branch rebases frequently: > > https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git/log/?h=libnvdimm-pending Cool, thanks. I'll check it out! Barret