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

Tim Gardner tim.gardner at canonical.com
Fri Apr 1 19:51:03 UTC 2022


I've added 2 patches from BugLink: 
https://bugs.launchpad.net/bugs/1967166 that are dependent on this patch 
set.

Joe - please have a quick look to make sure your review time hasn't been 
squandered. I'd like to use your ACK for the original pull request.

----------------------------------------------------------------

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+ssh://timg-tpi@git.launchpad.net/~timg-tpi/ubuntu/+source/linux/+git/impish 
dd9e2ca1f2089fc24b0818169de7e71c1b7ea018

for you to fetch changes up to dd9e2ca1f2089fc24b0818169de7e71c1b7ea018:

   x86/hyperv: Make swiotlb bounce buffer allocation not just from low 
pages (2022-04-01 13:37:49 -0600)

----------------------------------------------------------------


On 3/29/22 12:16, Tim Gardner wrote:
> 
> 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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