NAK: ACK/Cmnt: [Pull Request][impish/linux-azure] linux-azure: Update HV support to 5.17

Tim Gardner tim.gardner at canonical.com
Tue Mar 22 11:26:27 UTC 2022


More extensive testing is showing some issues. There will be changes to 
this pull request.

rtg

On 3/22/22 01:57, Stefan Bader wrote:
> On 19.03.22 17:52, Tim Gardner wrote:
>> BugLink: https://bugs.launchpad.net/bugs/1961329
>>
>> Microsoft has requested that these commits updating Hyper-v to 5.17 be 
>> included.
>>
>> Test results from a Microsoft engineer:
>> -I tried the March-4 test kernel and it worked great for me:
>> 1. The test kernels can boot up successfully with 256 virtual CPUs.
>> 2. The kernel doesn’t panic any more when I unload the hv_netvsc 
>> driver or change the number of vmbus channels for NetVSC NIC.
>> 3. The Hyper-V HeartBeat/TimeSync/ShutDown VMBsus devices also work as 
>> expected.
>> 4. I did some quick disk I/O and network tests and found no issue.
>>
>> =======================================================================
>>
>> The following changes since commit 
>> 5a5b0390a5d12146fe322590a464b9049072a51b:
>>
>>    UBUNTU: Ubuntu-azure-5.13.0-1019.21 (2022-03-15 13:41:18 -0500)
>>
>> are available in the Git repository at:
>>
>>    git://git.launchpad.net/~timg-tpi/ubuntu/+source/linux/+git/impish 
>> 7cc7422bef9d5121d7a3ebe1ef3c3ee51f258dad
>>
>> for you to fetch changes up to 7cc7422bef9d5121d7a3ebe1ef3c3ee51f258dad:
>>
>>    x86/kvmclock: Fix Hyper-V Isolated VM's boot issue when vCPUs > 64 
>> (2022-03-19 10:43:28 -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
> 
> Due to size and being for a cloud kernel and supposedly tested:
> 
> Acked-by: Stefan Bader <stefan.bader at canonical.com>
> 

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



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