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
Impish pull request: https:/ /lists. ubuntu. com/archives/ kernel- team/2022- March/128789. html