From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-7238-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 34DB9985DF8 for ; Thu, 7 May 2020 10:32:01 +0000 (UTC) From: David Hildenbrand Date: Thu, 7 May 2020 12:31:04 +0200 Message-Id: <20200507103119.11219-1-david@redhat.com> MIME-Version: 1.0 Subject: [virtio-dev] [PATCH v3 00/15] virtio-mem: paravirtualized memory Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, virtio-dev@lists.oasis-open.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , David Hildenbrand , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , Pankaj Gupta , teawater , Igor Mammedov , "Dr . David Alan Gilbert" , Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young , Jason Wang , Johannes Weiner , Juergen Gross , Konrad Rzeszutek Wilk , Len Brown , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Oscar Salvador , Pavel Tatashin , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , "Rafael J. Wysocki" , Stefan Hajnoczi , Vlastimil Babka , Wei Yang List-ID: This series is based on latest linux-next. The patches are located at: https://github.com/davidhildenbrand/linux.git virtio-mem-v3 Patch #1 - #10 where contained in v2 and only contain minor modifications (mostly smaller fixes). The remaining patches are new and contain smaller optimizations. Details about virtio-mem can be found in the cover letter of v2 [1]. A basic QEMU implementation was posted yesterday [2]. [1] https://lkml.kernel.org/r/20200311171422.10484-1-david@redhat.com [2] https://lkml.kernel.org/r/20200506094948.76388-1-david@redhat.com v2 -> v3: - "virtio-mem: Paravirtualized memory hotplug" -- Include "linux/slab.h" to fix build issues -- Remember the "region_size", helpful for patch #11 -- Minor simplifaction in virtio_mem_overlaps_range() -- Use notifier_from_errno() instead of notifier_to_errno() in notifier -- More reliable check for added memory when unloading the driver - "virtio-mem: Allow to specify an ACPI PXM as nid" -- Also print the nid - Added patch #11-#15 Cc: Sebastien Boeuf Cc: Samuel Ortiz Cc: Robert Bradford Cc: Luiz Capitulino Cc: Pankaj Gupta Cc: teawater Cc: Igor Mammedov Cc: Dr. David Alan Gilbert David Hildenbrand (15): virtio-mem: Paravirtualized memory hotplug virtio-mem: Allow to specify an ACPI PXM as nid virtio-mem: Paravirtualized memory hotunplug part 1 virtio-mem: Paravirtualized memory hotunplug part 2 mm: Allow to offline unmovable PageOffline() pages via MEM_GOING_OFFLINE virtio-mem: Allow to offline partially unplugged memory blocks mm/memory_hotplug: Introduce offline_and_remove_memory() virtio-mem: Offline and remove completely unplugged memory blocks virtio-mem: Better retry handling MAINTAINERS: Add myself as virtio-mem maintainer virtio-mem: Add parent resource for all added "System RAM" virtio-mem: Drop manual check for already present memory virtio-mem: Unplug subblocks right-to-left virtio-mem: Use -ETXTBSY as error code if the device is busy virtio-mem: Try to unplug the complete online memory block first MAINTAINERS | 7 + drivers/acpi/numa/srat.c | 1 + drivers/virtio/Kconfig | 17 + drivers/virtio/Makefile | 1 + drivers/virtio/virtio_mem.c | 1962 +++++++++++++++++++++++++++++++ include/linux/memory_hotplug.h | 1 + include/linux/page-flags.h | 10 + include/uapi/linux/virtio_ids.h | 1 + include/uapi/linux/virtio_mem.h | 208 ++++ mm/memory_hotplug.c | 81 +- mm/page_alloc.c | 26 + mm/page_isolation.c | 9 + 12 files changed, 2314 insertions(+), 10 deletions(-) create mode 100644 drivers/virtio/virtio_mem.c create mode 100644 include/uapi/linux/virtio_mem.h --=20 2.25.3 --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org