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bh=GrBM6lVeGYHYnVCBujmBxcxMtUiKXMcYhRp8z2rOlU8=; b=cvD+y/8Y3zxk/TLP11vO8F2apvr68In0f/QGtYHsuRPnG1555O/LjDliSo2C5r0R1KDgTe Y8IHdgf/eg4aR4MeRpI9eNaPj3sY7q3Fpzrj75oBKBZhrL+xABvt99ACTEl+rbHtX2KqRA VixDcoiagWOKXoHYKQJ2ZC/SB8b77H4= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-278-2-nkkDQSN1qMlJcoZZA4iw-1; Fri, 10 Jul 2020 04:30:19 -0400 X-MC-Unique: 2-nkkDQSN1qMlJcoZZA4iw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AF6D8193F580; Fri, 10 Jul 2020 08:30:15 +0000 (UTC) Received: from [10.36.114.41] (ovpn-114-41.ams2.redhat.com [10.36.114.41]) by smtp.corp.redhat.com (Postfix) with ESMTP id B1FC21002388; Fri, 10 Jul 2020 08:30:05 +0000 (UTC) Subject: Re: [PATCH v4 0/2] Fix and enable pmem as RAM device on arm64 To: Jia He , Catalin Marinas , Will Deacon , Tony Luck , Fenghua Yu , Yoshinori Sato , Rich Felker , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov References: <20200710031619.18762-1-justin.he@arm.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200710031619.18762-1-justin.he@arm.com> Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Message-ID-Hash: T3AHQT2BQZ5KMWLTJX4X7CFRD35PBN3Y X-Message-ID-Hash: T3AHQT2BQZ5KMWLTJX4X7CFRD35PBN3Y X-MailFrom: david@redhat.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: x86@kernel.org, "H. Peter Anvin" , Andrew Morton , Baoquan He , Chuhong Yuan , Mike Rapoport , Masahiro Yamada , Michal Hocko , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org, Jonathan Cameron , Kaly Xin X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 10.07.20 05:16, Jia He wrote: > This fixies a few issues when I tried to enable pmem as RAM device on arm64. > > To use memory_add_physaddr_to_nid as a fallback nid, it would be better > implement a general version (__weak) in mm/memory_hotplug. After that, arm64/ > sh/s390 can simply use the general version, and PowerPC/ia64/x86 will use > arch specific version. > > Tested on ThunderX2 host/qemu "-M virt" guest with a nvdimm device. The > memblocks from the dax pmem device can be either hot-added or hot-removed > on arm64 guest. Also passed the compilation test on x86. > > Changes: > v4: - remove "device-dax: use fallback nid when numa_node is invalid", wait > for Dan Williams' phys_addr_to_target_node() patch So, this series no longer does what it promises? "Fix and enable pmem as RAM device on arm64" -- Thanks, David / dhildenb _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org