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[Chris Valean <cvalean@xxxxxxxxxxxxxxxxxxxxxx>]

Hello Joe,

While testing this we found at least one existing issue that shipped in
16.04 GA, and the patch for it only recently got accepted upstream (but
not part of the 4.6 rebase list).

Will you be able to include at least one patch or several as part of
this rebase?

Thank you!

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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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