From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH v3 00/15] virtio-mem: paravirtualized memory Date: Thu, 7 May 2020 06:48:59 -0400 Message-ID: <20200507064834-mutt-send-email-mst@kernel.org> References: <20200507103119.11219-1-david@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20200507103119.11219-1-david@redhat.com> Sender: kvm-owner@vger.kernel.org To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtio-dev@lists.oasis-open.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Michal Hocko , Andrew Morton , 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 List-Id: virtualization@lists.linuxfoundation.org On Thu, May 07, 2020 at 12:31:04PM +0200, David Hildenbrand wrote: > 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. Looks like you lost some acks, in particular I'd like to preserve Andrew Morton's ack. > 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 > > -- > 2.25.3