[virtio-dev] Re: [PATCH v3 00/15] virtio-mem: paravirtualized memory

["Michael S. Tsirkin" <mst@redhat.com>]

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 <sebastien.boeuf@intel.com>
> Cc: Samuel Ortiz <samuel.ortiz@intel.com>
> Cc: Robert Bradford <robert.bradford@intel.com>
> Cc: Luiz Capitulino <lcapitulino@redhat.com>
> Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
> Cc: teawater <teawaterz@linux.alibaba.com>
> Cc: Igor Mammedov <imammedo@redhat.com>
> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
> 
> 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


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