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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Invalid => Triaged

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1583357

Title:
  [Hyper-V] Rebase Hyper-V to 4.6 kernel

Status in linux package in Ubuntu:
  Triaged
Status in linux source package in Xenial:
  Triaged

Bug description:
  Please rebase Hyper-V support to the final v4.6 upstream kernel.

  The following files comprise Hyper-V support in the upstream kernel:
  arch/x86/kernel/cpu/mshyperv.c
  arch/x86/include/asm/mshyperv.h
  arch/x86/include/uapi/asm/hyperv.h
  include/linux/hyperv.h
  drivers/hv/channel.c
  drivers/hv/channel_mgmt.c
  drivers/hv/connection.c
  drivers/hv/hv_balloon.c
  drivers/hv/hv.c
  drivers/hv/hv_fcopy.c
  drivers/hv/hv_kvp.c
  drivers/hv/hv_snapshot.c
  drivers/hv/hv_util.c
  drivers/hv/hv_utils_transport.c
  drivers/hv/hv_utils_transport.h
  drivers/hv/hyperv_vmbus.h
  drivers/hv/ring_buffer.c
  drivers/hv/vmbus_drv.c
  tools/hv/hv_fcopy_daemon.c
  tools/hv/hv_get_dhcp_info.sh
  tools/hv/hv_get_dns_info.sh
  tools/hv/hv_kvp_daemon.c
  tools/hv/hv_set_ifconfig.sh
  tools/hv/hv_vss_daemon.c
  tools/hv/lsvmbus
  drivers/input/serio/hyperv-keyboard.c
  drivers/net/hyperv/hyperv_net.h
  drivers/net/hyperv/netvsc.c
  drivers/net/hyperv/netvsc_drv.c
  drivers/net/hyperv/rndis_filter.c
  drivers/scsi/storvsc_drv.c
  drivers/hid/hid-hyperv.c
  drivers/pci/host/pci-hyperv.c
  drivers/video/fbdev/hyperv_fb.c

  While I know a number of post-4.4 commits are already committed, I am
  including all of the commits from 4.4 to 4.6 for reference:

  mshyperv.c : commit 1e2ae9ec072f3b7887f456426bc2cf23b80f661a :     x86/hyperv: Avoid reporting bogus NMI status for Gen2 instances
  mshyperv.c : commit 1b74dde7c47c19a73ea3e9fac95ac27b5d3d50c5 :     x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)
  hyperv.h : commit 45870a441361d1c05a5f767c4ece2f6e30e0da9c :     Drivers: hv: ring_buffer: remove stray smp_read_barrier_depends()
  hyperv.h : commit e8d6ca023efce3bd80050dcd9e708ee3cf8babd4 :     Drivers: hv: vmbus: define the new offer type for Hyper-V socket (hvsock)
  hyperv.h : commit 5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 :     Drivers: hv: vmbus: define a new VMBus message type for hvsock
  hyperv.h : commit 499e8401a515d04daa986b995da710d2b9737764 :     Drivers: hv: vmbus: add a per-channel rescind callback
  hyperv.h : commit 3c75354d043ad546148d6992e40033ecaefc5ea5 :     Drivers: hv: vmbus: add a helper function to set a channel's pending send size
  hyperv.h : commit 8981da320a11217589aa3c50f9e891bcdef07ece :     Drivers: hv: vmbus: add a hvsock flag in struct hv_driver
  hyperv.h : commit b9830d120cbe155863399f25eaef6aa8353e767f :     Drivers: hv: util: Pass the channel information during the init call
  channel.c : commit 63d55b2aeb5e4faa170316fee73c3c47ea9268c7 :     Drivers: hv: vmbus: serialize process_chn_event() and vmbus_close_internal()
  channel.c : commit 5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 :     Drivers: hv: vmbus: define a new VMBus message type for hvsock
  channel.c : commit fe760e4d64fe5c17c39e86c410d41f6587ee88bc :     Drivers: hv: vmbus: Give control over how the ring access is serialized
  channel.c : commit 8599846d73997cdbccf63f23394d871cfad1e5e6 :     Drivers: hv: vmbus: Fix a Host signaling bug
  channel_mgmt.c : commit fe760e4d64fe5c17c39e86c410d41f6587ee88bc :     Drivers: hv: vmbus: Give control over how the ring access is serialized
  channel_mgmt.c : commit 79fd8e706637a5c7c41f9498fe0fbfb437abfdc8 :     Drivers: hv: vmbus: avoid infinite loop in init_vp_index()
  channel_mgmt.c : commit 75ff3a8a9168df750b5bd0589e897a6c0517a9f1 :     Drivers: hv: vmbus: avoid wait_for_completion() on crash
  channel_mgmt.c : commit 5c23a1a5c60b0f472cfa61cd7d8279f8aaeb5b64 :     Drivers: hv: vmbus: define a new VMBus message type for hvsock
  connection.c : commit d6f591e339d23f434efda11917da511870891472 :     Drivers: hv: vmbus: channge vmbus_connection.channel_lock to mutex
  connection.c : commit 75ff3a8a9168df750b5bd0589e897a6c0517a9f1 :     Drivers: hv: vmbus: avoid wait_for_completion() on crash
  connection.c : commit 1b807e1011af46a595ba46c75ad5e20ad7177af7 :     Drivers: hv: vmbus: Cleanup vmbus_set_event()
  hv.c : commit a108393dbf764efb2405f21ca759806c65b8bc16 :     drivers:hv: Export the API to invoke a hypercall on Hyper-V
  hv.c : commit c35b82ef0294ae5052120615f5cfcef17c5a6bf7 :     drivers/hv: correct tsc page sequence invalid value
  hv.c : commit 9220e39b5c900c67ddcb517d52fe52d90fb5e3c8 :     Drivers: hv: vmbus: fix build warning
  hv.c : commit d81274aae61c0a045cd0f34191c51fa64ba58bc4 :     Drivers: hv: vmbus: Support handling messages on multiple CPUs
  hv.c : commit 3ccb4fd8f492f99aece21acc1bd6142275f26236 :     Drivers: hv: vmbus: don't manipulate with clocksources on crash
  hv_fcopy.c : commit 3cace4a616108539e2730f8dc21a636474395e0f :     Drivers: hv: utils: run polling callback always in interrupt context
  hv_fcopy.c : commit b9830d120cbe155863399f25eaef6aa8353e767f :     Drivers: hv: util: Pass the channel information during the init call
  hv_fcopy.c : commit c0b200cfb0403740171c7527b3ac71d03f82947a :     Drivers: hv: util: Increase the timeout for util services
  hv_kvp.c : commit 3cace4a616108539e2730f8dc21a636474395e0f :     Drivers: hv: utils: run polling callback always in interrupt context
  hv_kvp.c : commit 2d0c3b5ad739697a68dc8a444f5b9f4817cf8f8f :     Drivers: hv: utils: Invoke the poll function after handshake
  hv_kvp.c : commit b9830d120cbe155863399f25eaef6aa8353e767f :     Drivers: hv: util: Pass the channel information during the init call
  hv_kvp.c : commit c0b200cfb0403740171c7527b3ac71d03f82947a :     Drivers: hv: util: Increase the timeout for util services
  hv_snapshot.c : commit 2d0c3b5ad739697a68dc8a444f5b9f4817cf8f8f :     Drivers: hv: utils: Invoke the poll function after handshake
  hv_snapshot.c : commit 3cace4a616108539e2730f8dc21a636474395e0f :     Drivers: hv: utils: run polling callback always in interrupt context
  hv_snapshot.c : commit b9830d120cbe155863399f25eaef6aa8353e767f :     Drivers: hv: util: Pass the channel information during the init call
  hv_util.c : commit b9830d120cbe155863399f25eaef6aa8353e767f :     Drivers: hv: util: Pass the channel information during the init call
  hv_utils_transport.h : commit a15025660d4703a8b37290a14734cb4a84875770 :     Drivers: hv: utils: introduce HVUTIL_TRANSPORT_DESTROY mode
  hv_utils_transport.h : commit a72f3a4ccff22de879a1f599210ecdd9bd483a43 :     Drivers: hv: utils: rename outmsg_lock
  hyperv_vmbus.h : commit c0b200cfb0403740171c7527b3ac71d03f82947a :     Drivers: hv: util: Increase the timeout for util services
  hyperv_vmbus.h : commit 5b423efe11e822e092e8c911a6bad17eadf718eb :     drivers/hv: Move struct hv_message into UAPI Hyper-V x86 header
  hyperv_vmbus.h : commit d81274aae61c0a045cd0f34191c51fa64ba58bc4 :     Drivers: hv: vmbus: Support handling messages on multiple CPUs
  hyperv_vmbus.h : commit d6f591e339d23f434efda11917da511870891472 :     Drivers: hv: vmbus: channge vmbus_connection.channel_lock to mutex
  hyperv_vmbus.h : commit 0f70b66975ce4331e9002b792d5aa6787a110181 :     Drivers: hv: vmbus: remove code duplication in message handling
  hyperv_vmbus.h : commit 75ff3a8a9168df750b5bd0589e897a6c0517a9f1 :     Drivers: hv: vmbus: avoid wait_for_completion() on crash
  hyperv_vmbus.h : commit 3cace4a616108539e2730f8dc21a636474395e0f :     Drivers: hv: utils: run polling callback always in interrupt context
  vmbus_drv.c : commit 7047f17d70fc0599563d30d0791692cb5fe42ae6 :     Drivers: hv: vmbus: Add vendor and device atttributes
  vmbus_drv.c : commit 34c6801e3310ad286c7bb42bc88d42926b8f99bf :     Drivers: hv: vmbus: fix rescind-offer handling for device without a driver
  vmbus_drv.c : commit 17efbee8ba02ef00d3b270998978f8a1a90f1d92 :     drivers/hv: cleanup synic msrs if vmbus connect failed
  vmbus_drv.c : commit 40f26f3168bf7a4da490db308dc0bd9f9923f41f :     drivers:hv: Allow for MMIO claims that span ACPI _CRS records
  vmbus_drv.c : commit 619848bd074343ff2bdeeafca0be39748f6da372 :     drivers:hv: Export a function that maps Linux CPU num onto Hyper-V proc num
  vmbus_drv.c : commit 75ff3a8a9168df750b5bd0589e897a6c0517a9f1 :     Drivers: hv: vmbus: avoid wait_for_completion() on crash
  vmbus_drv.c : commit 1959a28e2671004c1e9c30ccd2914b868f100742 :     Drivers: hv: vmbus: kill tasklets on module unload
  hv_fcopy_daemon.c : commit b4ed5d1682c6613988c2eb1de55df5ac9988afcc :     tools: hv: report ENOSPC errors in hv_fcopy_daemon
  hv_fcopy_daemon.c : commit 6dfb867cea9e93ae9220f0b2e702b0440e4c8b4b :     tools: hv: remove repeated HV_FCOPY string
  hv_vss_daemon.c : commit a689d2510f188e75391dbebacbddfd74d42f2a7e :     tools: hv: vss: fix the write()'s argument: error -> vss_msg
  hyperv-keyboard.c : commit 2048157ad02e65f6327118dd4a7b9c9f1fd12f77 :     Drivers: hv: vmbus: fix the building warning with hyperv-keyboard
  hyperv_net.h : commit 27a70af3f4cf633a1b86c0ac7b426e2fe16ad2e5 :     hv_netvsc: rework link status change handling
  netvsc.c : commit 2a04ae8acb144996eba6e3d69ab2a7156c775416 :     hv_netvsc: remove locking in netvsc_send()
  netvsc.c : commit 25b85ee890530f70de850f15660ed41abbee1172 :     hv_netvsc: Eliminate the channel field in hv_netvsc_packet structure
  netvsc.c : commit 3a3d9a0a731add5afaafd9c714e7efe11820fe5b :     hv_netvsc: Eliminate send_completion_tid from struct hv_netvsc_packet
  netvsc.c : commit c4b20c6370aa5cdbe11536125d86f31378d4b702 :     hv_netvsc: Eliminatte the data field from struct hv_netvsc_packet
  netvsc_drv.c : commit 757647e10e55c01fb7a9c4356529442e316a7c72 :     hv_netvsc: use skb_get_hash() instead of a homegrown implementation
  netvsc_drv.c : commit a9f2e2d6569d00ae8f9f832f1b56bc7702dfd2d3 :     hv_netvsc: Eliminate page_buf from struct hv_netvsc_packet
  netvsc_drv.c : commit 49eb93892d8dfcf5dc5088e640f486d08572d8bf :     hv_netvsc: add ethtool support for set and get of settings
  netvsc_drv.c : commit d212b4633c3a99561939f2d423eacf3263850bcd :     hv_netvsc: Fix accessing freed memory in netvsc_change_mtu()
  rndis_filter.c : commit 3f735131d9c2523eb54a6c5099fa8c60a4292d48 :     hv_netvsc: Fix the order of num_sc_offered decrement
  rndis_filter.c : commit 9efc2f7dcd06e04d7b6a3032ae65bfd628b1aebe :     hv_netvsc: Fix the array sizes to be max supported channels
  rndis_filter.c : commit d66ab51442211158b677c2f12310c314d9587f74 :     hv_netvsc: Move subchannel waiting to rndis_filter_device_remove()
  storvsc_drv.c : commit 83d1e8b9b51b06d79653293d0bf34ff2c61abe46 :     storvsc: Fix a bug in the layout of the hv_fc_wwn_packet
  storvsc_drv.c : commit f8aea701b77c26732f151aab4f0a70e62eb53d86 :     storvsc: add logging for error/warning messages
  storvsc_drv.c : commit 74e26784f1c50469585f483cf404c2b1d621c101 :     storvsc: Fix typo in MODULE_PARM_DESC
  storvsc_drv.c : commit 98441221708a092eb6d3d05142cf842a95aba152 :     storvsc: Use the specified target ID in device lookup
  storvsc_drv.c : commit ff06c5ffbcb4ffa542fb80c897be977956fafecc :     scsi: storvsc: fix SRB_STATUS_ABORTED handling
  storvsc_drv.c : commit b95f5be09069526cf53705acbc1e22600f3f550b :     storvsc: Allow write_same when host is windows 10

  This rebase request is intended for Xenial, but the commits are also
  applicable to the wily HWE kernel (with the exception of Hyper-V
  sockets and PCI Passthrough support).

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