[Pull Request] [impish/linux-azure] Azure: Update Hyperv to 5.17

Tim Gardner tim.gardner at canonical.com
Tue Mar 29 18:16:08 UTC 2022


BugLink: https://bugs.launchpad.net/bugs/1961329

SRU Justification

[Impact]

Microsoft has requested these commits be present in all Azure tuned kernels:

ac0f7d42584125dab8039e60ab4ade48cc2db61c Drivers: hv: copy from message 
page only what's needed
a276463b7aeb6186e7e4315cccb032773fb31b5d Drivers: hv: allocate the exact 
needed memory for messages
5cc415001bca8fe0e3f0ee6d58a953a314dd9751 Drivers: hv: avoid passing 
opaque pointer to vmbus_onmessage()
b0a284dc65b401a508dc2c5ed7d465884220f607 Drivers: hv: make sure that 
'struct vmbus_channel_message_header' compiles correctly
52c7803f9bd4b1f0ac6e2e3e6051415198cc06bd Drivers: hv: check VMBus 
messages lengths
06caa778d8b2fbcb4ac3878751e39d116424ba9b hv_utils: Add validation for 
untrusted Hyper-V values
e99c4afbee07e9323e9191a20b24d74dbf815bdf Drivers: hv: vmbus: Initialize 
memory to be sent to the host
fe8c1b18a27de4d6ca5d99b3ffb3125dc69a5b76 Drivers: hv: vmbus: Copy the 
hv_message in vmbus_on_msg_dpc()
e3fa4b747f085d2cda09bba0533b86fa76038635 Drivers: hv: vmbus: Avoid 
use-after-free in vmbus_onoffer_rescind()
e4d221b42354b2e2ddb9187a806afb651eee2cda Drivers: hv: vmbus: Resolve 
race condition in vmbus_onoffer_rescind()
adae1e931acd8b430d31141a283ea06d4b705417 Drivers: hv: vmbus: Copy 
packets sent by Hyper-V out of the ring buffer
9d68cd9120e4e3af38f843e165631c323b86b4e4 hv_utils: Set the maximum 
packet size for VSS driver to the length of the receive buffer
f1940d4e9cbe6208e7e77e433c587af108152a17 Drivers: hv: vmbus: Fix kernel 
crash upon unbinding a device from uio_hv_generic driver
007faec014cb5d26983c1f86fd08c6539b41392e x86/sev: Expose 
sev_es_ghcb_hv_call() for use by HyperV
0cc4f6d9f0b9f20f3f1e1149bdb6737c0b4e134a x86/hyperv: Initialize GHCB 
page in Isolation VM
af788f355e343373490b7d2e361016e7c24a0ffa x86/hyperv: Initialize shared 
memory boundary in the Isolation VM.
810a521265023a1d5c6c081ea2d216bc63d422f5 x86/hyperv: Add new hvcall 
guest address host visibility support
d4dccf353db80e209f262e3973c834e6e48ba9a9 Drivers: hv: vmbus: Mark vmbus 
ring buffer visible to host in Isolation VM
faff44069ff538ccdfef187c4d7ec83d22dfb3a4 x86/hyperv: Add Write/Read MSR 
registers via ghcb page
20c89a559e00dfe352b73e867211a669113ae881 x86/hyperv: Add ghcb hvcall 
support for SNP VM
f2f136c05fb6093818a3b3fefcba46231ac66a62 Drivers: hv: vmbus: Add SNP 
support for VMbus channel initiate message
9a8797722e4239242d0cb4cc4baa805df6ac979e Drivers: hv: vmbus: Initialize 
VMbus ring buffer for Isolation VM
1a5e91d8375fc8369207cc0b9894a324f2bbf1d9 swiotlb: Add swiotlb bounce 
buffer remap function for HV IVM
c789b90a69045d1924bc0802ae0dce2bba05a04e x86/hyper-v: Add hyperv 
Isolation VM check in the cc_platform_has()
062a5c4260cdb734a4727230c58e38accf413315 hyper-v: Enable swiotlb bounce 
buffer for Isolation VM
743b237c3a7b0f5b44aa704aae8a1058877b6322 scsi: storvsc: Add Isolation VM 
support for storvsc driver
846da38de0e8224f2f94b885125cf1fd2d7b0d39 net: netvsc: Add Isolation VM 
support for netvsc driver
2deb55d9f57bb7a877c0d77115cc4077e1e974ff swiotlb: Add CONFIG_HAS_IOMEM 
check around swiotlb_mem_remap()
6a27e396ebb149fc47baccc1957a7a9dd70049a7 Drivers: hv: vmbus: Initialize 
request offers message for Isolation VM
4eea5332d67d8ae6ba5717ec0f4e671fdbd222e7 scsi: storvsc: Fix 
storvsc_queuecommand() memory leak
96d9d1fa5cd505078534113308ced0aa56d8da58 Drivers: hv: balloon: account 
for vmbus packet header in max_pkt_size

[Test Plan]

Microsoft tested

[Where things could go wrong]

Hyper-V guests may not work correctly.

[Other Info]

SF: #00323683


The following changes since commit 4fb09df22a81fca2cc90aeee5e1551478d00b7f7:

   UBUNTU: Ubuntu-azure-5.13.0-1021.24 (2022-03-28 15:40:31 -0500)

are available in the Git repository at:

   git://git.launchpad.net/~timg-tpi/ubuntu/+source/linux/+git/impish 
8af68eda6480024a9a905ca36dc43e3cea922e7a

for you to fetch changes up to 8af68eda6480024a9a905ca36dc43e3cea922e7a:

   x86/kvmclock: Fix Hyper-V Isolated VM's boot issue when vCPUs > 64 
(2022-03-29 12:00:45 -0600)

----------------------------------------------------------------
Andrea Parri (Microsoft) (2):
       scsi: storvsc: Use blk_mq_unique_tag() to generate requestIDs
       scsi: storvsc: Fix validation for unsolicited incoming packets

Andres Beltran (1):
       Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring 
buffer

Dexuan Cui (1):
       x86/kvmclock: Fix Hyper-V Isolated VM's boot issue when vCPUs > 64

Juan Vazquez (2):
       Drivers: hv: vmbus: Initialize request offers message for 
Isolation VM
       scsi: storvsc: Fix storvsc_queuecommand() memory leak

Tianyu Lan (15):
       x86/sev: Expose sev_es_ghcb_hv_call() for use by HyperV
       x86/hyperv: Initialize GHCB page in Isolation VM
       x86/hyperv: Initialize shared memory boundary in the Isolation VM.
       x86/hyperv: Add new hvcall guest address host visibility support
       Drivers: hv: vmbus: Mark vmbus ring buffer visible to host in 
Isolation VM
       x86/hyperv: Add Write/Read MSR registers via ghcb page
       x86/hyperv: Add ghcb hvcall support for SNP VM
       Drivers: hv: vmbus: Add SNP support for VMbus channel initiate 
message
       Drivers: hv: vmbus: Initialize VMbus ring buffer for Isolation VM
       swiotlb: Add swiotlb bounce buffer remap function for HV IVM
       x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has()
       hyper-v: Enable swiotlb bounce buffer for Isolation VM
       scsi: storvsc: Add Isolation VM support for storvsc driver
       net: netvsc: Add Isolation VM support for netvsc driver
       Netvsc: Call hv_unmap_memory() in the netvsc_device_remove()

Tom Lendacky (1):
       x86/sev: Replace occurrences of sev_active() with cc_platform_has()

Vitaly Kuznetsov (2):
       hv_utils: Set the maximum packet size for VSS driver to the 
length of the receive buffer
       Drivers: hv: vmbus: Fix kernel crash upon unbinding a device from 
uio_hv_generic driver

Wanpeng Li (1):
       x86/kvm: Don't waste memory if kvmclock is disabled

Wei Liu (1):
       swiotlb: Add CONFIG_HAS_IOMEM check around swiotlb_mem_remap()

Yanming Liu (1):
       Drivers: hv: balloon: account for vmbus packet header in max_pkt_size

  arch/x86/hyperv/Makefile           |   2 +-
  arch/x86/hyperv/hv_init.c          |  90 ++++++++---
  arch/x86/hyperv/ivm.c              | 319 
+++++++++++++++++++++++++++++++++++++
  arch/x86/include/asm/hyperv-tlfs.h |  17 ++
  arch/x86/include/asm/mem_encrypt.h |   2 -
  arch/x86/include/asm/mshyperv.h    |  70 ++++++--
  arch/x86/include/asm/sev.h         |   6 +
  arch/x86/kernel/cc_platform.c      |   8 +
  arch/x86/kernel/cpu/mshyperv.c     |  18 +++
  arch/x86/kernel/crash_dump_64.c    |   4 +-
  arch/x86/kernel/kvm.c              |   3 +-
  arch/x86/kernel/kvmclock.c         |   7 +-
  arch/x86/kernel/machine_kexec_64.c |   8 +-
  arch/x86/kernel/sev-shared.c       |  25 +--
  arch/x86/kernel/sev.c              |  13 +-
  arch/x86/kvm/svm/svm.c             |   3 +-
  arch/x86/mm/ioremap.c              |   6 +-
  arch/x86/mm/mem_encrypt.c          |  24 ++-
  arch/x86/mm/pat/set_memory.c       |  23 ++-
  arch/x86/platform/efi/efi_64.c     |   9 +-
  drivers/hv/Kconfig                 |   1 +
  drivers/hv/channel.c               |  87 ++++++----
  drivers/hv/channel_mgmt.c          |   2 +-
  drivers/hv/connection.c            | 101 +++++++++++-
  drivers/hv/hv.c                    |  82 ++++++++--
  drivers/hv/hv_balloon.c            |   7 +
  drivers/hv/hv_common.c             |  23 +++
  drivers/hv/hv_fcopy.c              |   1 +
  drivers/hv/hv_kvp.c                |   1 +
  drivers/hv/hv_snapshot.c           |   1 +
  drivers/hv/hyperv_vmbus.h          |   4 +-
  drivers/hv/ring_buffer.c           | 159 ++++++++++++++----
  drivers/hv/vmbus_drv.c             |   4 +
  drivers/net/hyperv/hyperv_net.h    |  17 +-
  drivers/net/hyperv/netvsc.c        | 169 ++++++++++++++++++--
  drivers/net/hyperv/netvsc_drv.c    |   1 +
  drivers/net/hyperv/rndis_filter.c  |   6 +
  drivers/scsi/storvsc_drv.c         | 172 ++++++++++++++------
  drivers/uio/uio_hv_generic.c       |  18 +--
  include/asm-generic/hyperv-tlfs.h  |   1 +
  include/asm-generic/mshyperv.h     |  22 ++-
  include/linux/hyperv.h             |  79 +++++++--
  include/linux/swiotlb.h            |   6 +
  kernel/dma/swiotlb.c               |  40 ++++-
  net/vmw_vsock/hyperv_transport.c   |   4 +-
  45 files changed, 1392 insertions(+), 273 deletions(-)
  create mode 100644 arch/x86/hyperv/ivm.c

-- 
-----------
Tim Gardner
Canonical, Inc



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