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From: Jia He <justin.he@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>
Cc: Kaly Xin <Kaly.Xin@arm.com>, Michal Hocko <mhocko@suse.com>,
	Jia He <justin.he@arm.com>, Baoquan He <bhe@redhat.com>,
	linux-nvdimm@lists.01.org, Chuhong Yuan <hslester96@gmail.com>,
	linux-kernel@vger.kernel.org, Mike Rapoport <rppt@linux.ibm.com>,
	linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 0/3] Fix and enable pmem as RAM device on arm64
Date: Tue,  7 Jul 2020 13:59:14 +0800	[thread overview]
Message-ID: <20200707055917.143653-1-justin.he@arm.com> (raw)

This fix a few issues when I tried to enable pmem as RAM device on arm64.

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.

Changes:
v2: - Drop unneccessary patch to harden try_offline_node
    - Use new solution(by David) to fix dev->target_node=-1 during probing
    - Refine the mem_hotplug_begin/done patch

v1: https://lkml.org/lkml/2020/7/5/381

Jia He (3):
  arm64/numa: export memory_add_physaddr_to_nid as EXPORT_SYMBOL_GPL
  device-dax: use fallback nid when numa_node is invalid
  mm/memory_hotplug: fix unpaired mem_hotplug_begin/done

 arch/arm64/mm/numa.c |  5 +++--
 drivers/dax/kmem.c   | 22 ++++++++++++++--------
 mm/memory_hotplug.c  |  5 ++---
 3 files changed, 19 insertions(+), 13 deletions(-)

-- 
2.17.1


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             reply	other threads:[~2020-07-07  6:01 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-07  5:59 Jia He [this message]
2020-07-07  5:59 ` [PATCH v2 1/3] arm64/numa: export memory_add_physaddr_to_nid as EXPORT_SYMBOL_GPL Jia He
2020-07-07 11:35   ` David Hildenbrand
2020-07-07 11:54   ` Michal Hocko
2020-07-07 12:13     ` Mike Rapoport
2020-07-07 12:26       ` David Hildenbrand
2020-07-07 18:00         ` Mike Rapoport
2020-07-07 22:05           ` Dan Williams
2020-07-08  5:27             ` Mike Rapoport
2020-07-08  7:21               ` David Hildenbrand
2020-07-08  7:38                 ` Mike Rapoport
2020-07-08  7:40                   ` David Hildenbrand
2020-07-08  7:50                 ` Dan Williams
2020-07-08  8:26                   ` David Hildenbrand
2020-07-08  8:39                     ` Mike Rapoport
2020-07-08  8:45                       ` David Hildenbrand
2020-07-08  9:15                         ` Mike Rapoport
2020-07-08  9:25                           ` David Hildenbrand
2020-07-08  9:45                             ` Mike Rapoport
2020-07-08 10:04                               ` David Hildenbrand
2020-07-08 15:50                                 ` Dan Williams
2020-07-08 16:10                                   ` David Hildenbrand
2020-07-08 16:47                                     ` Mike Rapoport
2020-07-08  2:20     ` Justin He
2020-07-08  3:56       ` Dan Williams
2020-07-08  4:08         ` Justin He
2020-07-08  4:27           ` Dan Williams
2020-07-08  6:22             ` Mike Rapoport
2020-07-08  6:53               ` Dan Williams
2020-07-08  6:59               ` David Hildenbrand
2020-07-08  7:04                 ` Dan Williams
2020-07-08  7:16                   ` David Hildenbrand
2020-07-08  7:43                     ` Mike Rapoport
2020-07-08  5:32         ` Mike Rapoport
2020-07-08  5:48           ` Dan Williams
2020-07-08  6:19             ` Mike Rapoport
2020-07-08  6:44               ` Dan Williams
2020-07-08  6:56             ` Justin He
2020-07-08  7:00               ` David Hildenbrand
2020-07-07  5:59 ` [RFC PATCH v2 2/3] device-dax: use fallback nid when numa_node is invalid Jia He
2020-07-07  6:08   ` Justin He
2020-07-07 11:34   ` David Hildenbrand
2020-07-08  1:41     ` Justin He
2020-07-07  5:59 ` [PATCH v2 3/3] mm/memory_hotplug: fix unpaired mem_hotplug_begin/done Jia He
2020-07-07 10:06   ` Michal Hocko
2020-07-07 11:31   ` David Hildenbrand

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