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[Bug 1690177] Re: [Hyper-V] Rebase Hyper-V to upstream 4.11 kernel plus some cherry-picks from linux-next

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Wed, 31 May 2017 16:02:44 -0000
Reply-to: Bug 1690177 <1690177@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Also affects: linux-azure (Ubuntu Xenial)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1690177

Title:
  [Hyper-V] Rebase Hyper-V to upstream 4.11 kernel plus some cherry-
  picks from linux-next

Status in linux-azure package in Ubuntu:
  Fix Committed
Status in linux-azure source package in Xenial:
  Fix Committed

Bug description:
  Catching up with upstream 4.11 Hyper-V files:
  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
  drivers/uio/uio_hv_generic.c

  This is the delta from 4.11 to 4.10.3:
  mshyperv.c : commit 63ed4e0c67df332681ebfef6eca6852da28d6300 :     Drivers: hv: vmbus: Consolidate all Hyper-V specific clocksource code
  mshyperv.c : commit 8de8af7e0873c4fdac2205327dff922819e16657 :     Drivers: hv: vmbus: Move the extracting of Hypervisor version information
  mshyperv.c : commit 8730046c1498e8fb8c9a124789893944e8ce8220 :     Drivers: hv vmbus: Move Hypercall page setup out of common code
  hyperv.h : commit d058fa7e98ff01a4b4750a2210fc19906db3cbe1 :     Drivers: hv: vmbus: Move the crash notification function
  hyperv.h : commit e4165a0fad0963bf8b4a59f54d3360ccb6a6d1ea :     vmbus: constify parameters where possible
  hyperv.h : commit f6c4391553573d592212e6624cfba5e2752cd5c8 :     vmbus: remove no longer used signal_policy
  hyperv.h : commit 3454323c954775098871559b5c23d877c3e23f77 :     vmbus: remove unused kickq argument to sendpacket
  hyperv.h : commit 6e47dd3e2938f41d75045bbcb64aa9df3a463b2a :     vmbus: expose hv_begin/end_read
  channel.c : commit 5c1bec61fdfcd056df909a712e2a86bbaeb0f942 :     vmbus: use kernel bitops for traversing interrupt mask
  channel.c : commit 5e030d5ce9d99a899b648413139ff65bab12b038 :     Drivers: hv: vmbus: Don't leak memory when a channel is rescinded
  channel_mgmt.c : commit e810e48c0c9a1a1ebb90cfe966bce6dc80ce08e7 :     Drivers: hv: vmbus: Move the code to signal end of message
  channel_mgmt.c : commit a1656454131880980bc3a5313c8bf66ef5990c91 :     Drivers: hv: vmbus: Use all supported IC versions to negotiate
  connection.c : commit 37cdd991fac810a727cd285629d1640fcf53cd19 :     vmbus: put related per-cpu variable together
  connection.c : commit 8de8af7e0873c4fdac2205327dff922819e16657 :     Drivers: hv: vmbus: Move the extracting of Hypervisor version information
  connection.c : commit a100d88df1e924e5c9678fabf054d1bae7ab74fb :     hv: use correct order when freeing monitor_pages
  hv_balloon.c : commit ad6d41253bf91eabb41626683c35a712ba27a20c :     Drivers: hv: balloon: add a fall through comment to hv_memory_notifier()
  hv.c : commit 6ab42a66d2cc10afefea9f9e5d9a5ad5a836d254 :     Drivers: hv: vmbus: Move Hypercall invocation code out of common code
  hv.c : commit d5116b4091ecca271c249ede43a49c1245920558 :     Drivers: hv: vmbus: Restructure the clockevents code
  hv_fcopy.c : commit a1656454131880980bc3a5313c8bf66ef5990c91 :     Drivers: hv: vmbus: Use all supported IC versions to negotiate
  hv_fcopy.c : commit e9c18ae6eb2b312f16c63e34b43ea23926daa398 :     Drivers: hv: util: move waiting for release to hv_utils_transport itself
  hv_kvp.c : commit a1656454131880980bc3a5313c8bf66ef5990c91 :     Drivers: hv: vmbus: Use all supported IC versions to negotiate
  hv_kvp.c : commit e9c18ae6eb2b312f16c63e34b43ea23926daa398 :     Drivers: hv: util: move waiting for release to hv_utils_transport itself
  hv_snapshot.c : commit a1656454131880980bc3a5313c8bf66ef5990c91 :     Drivers: hv: vmbus: Use all supported IC versions to negotiate
  hv_snapshot.c : commit e9c18ae6eb2b312f16c63e34b43ea23926daa398 :     Drivers: hv: util: move waiting for release to hv_utils_transport itself
  hv_util.c : commit 3716a49a81ba19dda7202633a68b28564ba95eb5 :     hv_utils: implement Hyper-V PTP source
  hv_util.c : commit a1656454131880980bc3a5313c8bf66ef5990c91 :     Drivers: hv: vmbus: Use all supported IC versions to negotiate
  hv_utils_transport.c : commit e9c18ae6eb2b312f16c63e34b43ea23926daa398 :     Drivers: hv: util: move waiting for release to hv_utils_transport itself
  hv_utils_transport.h : commit e9c18ae6eb2b312f16c63e34b43ea23926daa398 :     Drivers: hv: util: move waiting for release to hv_utils_transport itself
  hyperv_vmbus.h : commit 37cdd991fac810a727cd285629d1640fcf53cd19 :     vmbus: put related per-cpu variable together
  hyperv_vmbus.h : commit 63ed4e0c67df332681ebfef6eca6852da28d6300 :     Drivers: hv: vmbus: Consolidate all Hyper-V specific clocksource code
  hyperv_vmbus.h : commit d6f3609d2b4c6d0eec01f398cb685e50da3e6013 :     Drivers: hv: restore hypervcall page cleanup before kexec
  hyperv_vmbus.h : commit e810e48c0c9a1a1ebb90cfe966bce6dc80ce08e7 :     Drivers: hv: vmbus: Move the code to signal end of message
  ring_buffer.c : commit 6e47dd3e2938f41d75045bbcb64aa9df3a463b2a :     vmbus: expose hv_begin/end_read
  ring_buffer.c : commit b103a56f80878b4370522ec26017fcadd526f5ad :     vmbus: drop no longer used kick_q argument
  ring_buffer.c : commit e4165a0fad0963bf8b4a59f54d3360ccb6a6d1ea :     vmbus: constify parameters where possible
  vmbus_drv.c : commit 68db0cf10678630d286f4bbbbdfa102951a35faa :     sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>
  vmbus_drv.c : commit 37cdd991fac810a727cd285629d1640fcf53cd19 :     vmbus: put related per-cpu variable together
  vmbus_drv.c : commit 5c1bec61fdfcd056df909a712e2a86bbaeb0f942 :     vmbus: use kernel bitops for traversing interrupt mask
  vmbus_drv.c : commit d6f3609d2b4c6d0eec01f398cb685e50da3e6013 :     Drivers: hv: restore hypervcall page cleanup before kexec
  hyperv-keyboard.c : commit f20b161f59b73d40043199b3bff362e656a9c673 :     Input: serio - drop unnecessary calls to device_init_wakeup
  hyperv_net.h : commit 23312a3be999c22ec70c0fdf9f01cdee05fac986 :     netvsc: negotiate checksum and segmentation parameters
  hyperv_net.h : commit dc54a08cd3620e6457382c0cd0c8f03513dd749a :     netvsc: optimize receive path
  hyperv_net.h : commit 793e39555511bccd73308c41205b72448d0077db :     netvsc: account for packets/bytes transmitted after completion
  hyperv_net.h : commit 962f3fee83a4ef9010ae84dc43ae7aecb572e2a9 :     netvsc: add ethtool ops to get/set RSS key
  hyperv_net.h : commit 2b01888d1b453096b5b13c0d4b73e630411198b4 :     netvsc: allow more flexible setting of number of channels
  hyperv_net.h : commit fdfb70d275223b9d69d5d3abe1f88507da579139 :     netvsc: fix calculation of available send sections
  netvsc.c : commit fdfb70d275223b9d69d5d3abe1f88507da579139 :     netvsc: fix calculation of available send sections
  netvsc.c : commit 3454323c954775098871559b5c23d877c3e23f77 :     vmbus: remove unused kickq argument to sendpacket
  netvsc.c : commit 7ce101246655935b014b11d81f815342921f5654 :     netvsc: handle select_queue when device is being removed
  netvsc.c : commit 2c7f83ca713fa0ac5c4698e4134b09a355f60263 :     netvsc: don't pass void * to internal device_add
  netvsc_drv.c : commit b8b835a89b2f7a7fe681983dfe5c489cb9ad9500 :     netvsc: group all per-channel state together
  netvsc_drv.c : commit dc54a08cd3620e6457382c0cd0c8f03513dd749a :     netvsc: optimize receive path
  netvsc_drv.c : commit 1130383c174499826a3f01486e574e89be17e2d2 :     netvsc: call netif_receive_skb
  netvsc_drv.c : commit ceaaea0483cf82a2c817781f3cbacf29f2c5cc97 :     netvsc: remove unused variables
  netvsc_drv.c : commit d0d7b10b05945f40fefd4e60f457c61aefa3e9a9 :     net-next: treewide use is_vlan_dev() helper function.
  rndis_filter.c : commit 962f3fee83a4ef9010ae84dc43ae7aecb572e2a9 :     netvsc: add ethtool ops to get/set RSS key
  rndis_filter.c : commit dc54a08cd3620e6457382c0cd0c8f03513dd749a :     netvsc: optimize receive path
  rndis_filter.c : commit 23312a3be999c22ec70c0fdf9f01cdee05fac986 :     netvsc: negotiate checksum and segmentation parameters
  rndis_filter.c : commit ceaaea0483cf82a2c817781f3cbacf29f2c5cc97 :     netvsc: remove unused variables
  rndis_filter.c : commit 46b4f7f5d1f7410de48128540ef2d1aab913a619 :     netvsc: eliminate per-device outstanding send counter
  rndis_filter.c : commit 2289f0aa706e5160e078f73c32fcbfb56a3ff1e2 :     netvsc: simplify rndis_filter_remove
  storvsc_drv.c : commit 183b8021fc0a5fadecdf9c0ccac1f48b5c326278 :     scripts/spelling.txt: add "intialization" pattern and fix typo instances
  storvsc_drv.c : commit f1c635b439a5c01776fe3a25b1e2dc546ea82e6f :     scsi: storvsc: Workaround for virtual DVD SCSI version
  storvsc_drv.c : commit d86adf482b843b3a58a9ec3b7c1ccdbf7c705db1 :     scsi: storvsc: Enable multi-queue support
  storvsc_drv.c : commit f64dad2628bdf62eac7ac145a6e31430376b65e4 :     scsi: storvsc: Enable tracking of queue depth
  storvsc_drv.c : commit b6a05c823fc573a65efc4466f174abf05f922e0f :     scsi: remove eh_timed_out methods in the transport template
  pci-hyperv.c : commit 4a9b0933bdfcd85da840284bf5a0eb17b654b9c2 :     PCI: hv: Use device serial number as PCI domain
  uio_hv_generic.c : commit b71e328297a3a578c482fb4814e737a0ec185839 :     vmbus: add direct isr callback mode

  In addition, the following patches are in linux-next that are needed
  for larger VM sizes, network performance, and PCI passthrough fixes
  found in SR-IOV testing:

  mshyperv.c : commit a33fd4c27b3ad11c66bdadc5fe6075297ca87a6d :     Drivers: hv: Issue explicit EOI when autoeoi is not enabled
  hyperv.h : commit 4539673a6ac027e3ba95901379b5f36c5eb3c9dc :     Drivers: hv: Fix a typo
  hyperv.h : commit 6c248aad81c8903981db9f12fd74189fa01b3789 :     Drivers: hv: Base autoeoi enablement based on hypervisor hints
  hyperv.h : commit 4827ee1dca5691c9fc568883170a568db94f9b38 :     vmbus: expose debug info for drivers
  hyperv.h : commit 2a9d7de2038e87bb2a1085ac73c4246c260263f0 :     vmbus: cleanup header file style
  channel.c : commit bdc1dd47dbcd39f266f0a6c8727a2b1995b36ef2 :     vmbus: fix spelling errors
  channel_mgmt.c : commit e6242fa0fb50570acb6364446dec369d7b9b5b2c :     vmbus: make channel_message table constant
  connection.c : commit ada6eb11137be0baf846e00fca40fc096ba85a28 :     vmbus: only reschedule tasklet if time limit exceeded
  hv_balloon.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  hv.c : commit 6c248aad81c8903981db9f12fd74189fa01b3789 :     Drivers: hv: Base autoeoi enablement based on hypervisor hints
  hv_fcopy.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  hv_kvp.c : commit bdc1dd47dbcd39f266f0a6c8727a2b1995b36ef2 :     vmbus: fix spelling errors
  hv_kvp.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  hv_snapshot.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  hyperv_vmbus.h : commit 2a9d7de2038e87bb2a1085ac73c4246c260263f0 :     vmbus: cleanup header file style
  hyperv_vmbus.h : commit 4827ee1dca5691c9fc568883170a568db94f9b38 :     vmbus: expose debug info for drivers
  hyperv_vmbus.h : commit b103a56f80878b4370522ec26017fcadd526f5ad :     vmbus: drop no longer used kick_q argument
  hyperv_vmbus.h : commit e6242fa0fb50570acb6364446dec369d7b9b5b2c :     vmbus: make channel_message table constant
  ring_buffer.c : commit f3dd3f4797652c311df9c074436d420f1ad3566e :     vmbus: introduce in-place packet iterator
  ring_buffer.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  ring_buffer.c : commit 4827ee1dca5691c9fc568883170a568db94f9b38 :     vmbus: expose debug info for drivers
  ring_buffer.c : commit 2c616a8b6bd3b51b560d994f3412da998fe7ee48 :     vmbus: remove unnecessary initialization
  vmbus_drv.c : commit 8b1f91fb4c1a8a860b8edc0c383821b2ff8a1ece :     vmbus: remove useless return's
  vmbus_drv.c : commit e6242fa0fb50570acb6364446dec369d7b9b5b2c :     vmbus: make channel_message table constant
  hyperv_net.h : commit 15a863bf7436124e799ba175a801e25f7b57191e :     netvsc: implement NAPI
  hyperv_net.h : commit 8db91f6a9b2ff2bb5355ad11c668fe63eb8ae0c3 :     hv_netvsc: Fix the queue index computation in forwarding case
  hyperv_net.h : commit 545a8e79bd1cc8774877a26275171a2ec8881c9e :     netvsc: use RCU to protect inner device structure
  hyperv_net.h : commit a0be450e19d397e9ff215e32ed31bc51339b460a :     netvsc: uses RCU instead of removal flag
  hyperv_net.h : commit 43c7bd1ffcd1621c64cedf1be52156e2f95bba9b :     netvsc: use refcount_t for keeping track of sub channels
  hyperv_net.h : commit 76f5ed881c8de0264283c5b934deb33bf87209a8 :     netvsc: remove unused #define
  netvsc.c : commit 545a8e79bd1cc8774877a26275171a2ec8881c9e :     netvsc: use RCU to protect inner device structure
  netvsc.c : commit 73e64fa4f417b22d8d5521999a631ced8e2d442e :     netvsc: Deal with rescinded channels correctly
  netvsc.c : commit ebc1dcf6008e562a8f88a6b1f4a4705f4d4c4fdd :     netvsc: eliminate unnecessary skb == NULL checks
  netvsc.c : commit f4f1c23d6e41f5ee4973a6da65cba1e1c536ec29 :     netvsc: fix NAPI performance regression
  netvsc_drv.c : commit 545a8e79bd1cc8774877a26275171a2ec8881c9e :     netvsc: use RCU to protect inner device structure
  netvsc_drv.c : commit e91e7dd71dedbf4508513c8a66212248a853ecbe :     netvsc: replace netdev_alloc_skb_ip_align with napi_alloc_skb
  netvsc_drv.c : commit a0be450e19d397e9ff215e32ed31bc51339b460a :     netvsc: uses RCU instead of removal flag
  netvsc_drv.c : commit 5e8456fdd23c23bbfa06e0d647c90758102a4410 :     net: hyperv: use new api ethtool_{get|set}_link_ksettings
  netvsc_drv.c : commit 8db91f6a9b2ff2bb5355ad11c668fe63eb8ae0c3 :     hv_netvsc: Fix the queue index computation in forwarding case
  netvsc_drv.c : commit f3c9d40ee12926f330a1dfebce0bebadd1406ba6 :     hv_netvsc: change netvsc device default duplex to FULL
  netvsc_drv.c : commit 3071ada4916e26a8961c1b99f7766a73b9007bfc :     netvsc: change max channel calculation
  rndis_filter.c : commit ce12b81061a0a2647ca90c04d131d90edd5c5063 :     netvsc: fix and cleanup rndis_filter_set_packet_filter
  rndis_filter.c : commit 00ecfb3b34b69dd702dee1bd6de6fc100be384db :     netvsc: remove unnecessary lock on shutdown
  storvsc_drv.c : commit daf0cd445a218314f9461d67d4f2b9c24cdd534b :     scsi: storvsc: Add support for FC rport.
  storvsc_drv.c : commit e04085285b829dc922e78768a9abb390a8caed31 :     scsi: storvsc: Prefer kcalloc over kzalloc with multiply
  storvsc_drv.c : commit 8d4208c1a73ab30e05da142e0f05b2b02fc26fc9 :     scsi: storvsc: remove return at end of void function
  pci-hyperv.c : commit 24196f0c7d4bba093dfa8074507f31509970319f :     PCI: hv: Convert hv_pci_dev.refs from atomic_t to refcount_t
  pci-hyperv.c : commit 433fcf6b7b31f1f233dd50aeb9d066a0f6ed4b9d :     PCI: hv: Specify CPU_AFFINITY_ALL for MSI affinity when >= 32 CPUs
  pci-hyperv.c : commit d3a78d8bf759d8848339dcc367c4c1678b57a08b :     PCI: hv: Properly handle PCI bus remove
  pci-hyperv.c : commit 59c58ceeea9cdc6144d7b0303753e6bd26d87455 :     PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC
  pci-hyperv.c : commit 414428c5da1c71986727c2fa5cdf1ed071e398d7 :     PCI: hv: Lock PCI bus on device eject

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