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f8c3500cd1
linux/drivers/dax
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Linus Torvalds f8c3500cd1 - virtio_pmem: The new virtio_pmem facility introduces a paravirtualized 
persistent memory device that allows a guest VM to use DAX mechanisms to
   access a host-file with host-page-cache. It arranges for MAP_SYNC to
   be disabled and instead triggers a host fsync() when a 'write-cache
   flush' command is sent to the virtual disk device.
 
 - Miscellaneous small fixups.
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Merge tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "Primarily just the virtio_pmem driver:

   - virtio_pmem

     The new virtio_pmem facility introduces a paravirtualized
     persistent memory device that allows a guest VM to use DAX
     mechanisms to access a host-file with host-page-cache. It arranges
     for MAP_SYNC to be disabled and instead triggers a host fsync()
     when a 'write-cache flush' command is sent to the virtual disk
     device.

   - Miscellaneous small fixups"

* tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  virtio_pmem: fix sparse warning
  xfs: disable map_sync for async flush
  ext4: disable map_sync for async flush
  dax: check synchronous mapping is supported
  dm: enable synchronous dax
  libnvdimm: add dax_dev sync flag
  virtio-pmem: Add virtio pmem driver
  libnvdimm: nd_region flush callback support
  libnvdimm, namespace: Drop uuid_t implementation detail
2019-07-18 10:52:08 -07:00
..
pmem memremap: move dev_pagemap callbacks into a separate structure 2019-07-02 14:32:44 -03:00
bus.c libnvdimm: add dax_dev sync flag 2019-07-05 15:19:10 -07:00
bus.h acpi/nfit, device-dax: Identify differentiated memory with a unique numa-node 2019-01-06 21:41:57 -08:00
dax-private.h device-dax: "Hotremove" persistent memory that is used like normal RAM 2019-07-16 19:23:24 -07:00
device.c device-dax: use the dev_pagemap internal refcount 2019-07-02 14:32:44 -03:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
kmem.c device-dax: "Hotremove" persistent memory that is used like normal RAM 2019-07-16 19:23:24 -07:00
Makefile device-dax: "Hotplug" persistent memory for use like normal RAM 2019-02-28 10:41:23 -08:00
super.c libnvdimm: add dax_dev sync flag 2019-07-05 15:19:10 -07:00