** Package changed: linux-azure (Ubuntu) => linux-azure-cvm (Ubuntu)
** Also affects: linux-azure-cvm (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-azure-cvm (Ubuntu)
Status: In Progress => Invalid
** Changed in: linux-azure-cvm (Ubuntu Focal)
Status: New => Fix Committed
** Changed in: linux-azure-cvm (Ubuntu Focal)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Changed in: linux-azure-cvm (Ubuntu)
Assignee: Marcelo Cerri (mhcerri) => (unassigned)
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure-cvm in Ubuntu.
https://bugs.launchpad.net/bugs/1915146
Title:
Backport commits required for confidential VMs
Status in linux-azure-cvm package in Ubuntu:
Invalid
Status in linux-azure-cvm source package in Focal:
Fix Committed
Bug description:
Below are two sets of commits required for CVM:
1. Core enablement of Linux to run as a Hyper-V guest with the SNP-enabled
HCL.
2. VMbus hardening.
Patches related to core enablement of Linux to run as a Hyper-V guest
with the SNP-enabled HCL are below:
HV/Storvsc: Add bounce buffer support for Storvsc -
https://github.com/lantianyu/linux/commit/c46341863ba7cfaa11ed6c95d454769dcde57b84
HV/Netvsc: Add SNP support for netvsc driver -
https://github.com/lantianyu/linux/commit/0026626dbc42bfcbe26d993bec104383f9d60e35
x86/Hyper-V: Copy data from/to bounce buffer during IO operation -
https://github.com/lantianyu/linux/commit/5f948e69f2be44891af03d60b918a3bc0845f954
x86/Hyper-V: Add new parameter for
vmbus_sendpacket_pagebuffer()/mpb_desc() -
https://github.com/lantianyu/linux/commit/b484eebaf79340e29012a2dadb4518fa7d5d1284
x86/Hyper-V: Initialize bounce buffer page cache and list -
https://github.com/lantianyu/linux/commit/8a437af5e4af945b28ba0071302dfa28a48df408
hv/vmbus: Initialize VMbus ring buffer for Isolated VM -
https://github.com/lantianyu/linux/commit/45de7cff82cd6e99aedbd4cf2c44fa30298c0dea
HV/Vmbus: Add SNP support for VMbus channel initiate message -
https://github.com/lantianyu/linux/commit/4bca8b9748dd17fb860a4528781932ade1825dd5
HV: Add ghcb hvcall support for SNP VM -
https://github.com/lantianyu/linux/commit/bfb44533b884b08b639258f7150aa71dc148e221
HV: Add Write/Read MSR registers via ghcb -
https://github.com/lantianyu/linux/commit/8cf6a0dea3189a654c41e16ad859c9ceb5bb940c
HV: Get Hyper-V Isolated VM capability -
https://github.com/lantianyu/linux/commit/9290189014a1b231f70b5620338d61508da673df
x86/Hyper-V: Add new hvcall guest address host visibility support -
https://github.com/lantianyu/linux/commit/deb6dc9bdbff7a6b16910ebe9aff266de9690cb2
x86/Hyper-V: Add visibility parameter for vmbus_establish_gpadl() -
https://github.com/lantianyu/linux/commit/e697bc57e853f058eef9b2268b865aa8e574e233
The following commit is also required by CVM support. It has been upstreamed.
If ubuntu kernel doesn't contain the patch, it's necessary to backport the
patch.
x86/hyperv: Initialize clockevents earlier in CPU onlining -
https://github.com/lantianyu/linux/commit/8815c2eec402080a4c5f2536668f6d5b7946ef8b
VMbus hardening patches:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0a76566595bfb242a7f4bedc77233e9194831ba3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=44144185951a0ff9b50bf21c0cd1f79ff688e5ca
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e8b7db38449ac5b950a3f00519171c4be3e226ff
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=453de21c2b8281228173a7b689120b92929743d6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d18fcc95f50950a99bd940d4e61a983f91d267a
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?id=ab548fd21e1cbe601ce5f775254a6d042c6495f2
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?id=244808e0302953de11dba1f8a580cdd1df35843d
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?id=91b1b640b834b2d6f330baf04c0cc049eca9d689
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=206ad34d52a2f1205c84d08c12fc116aad0eb407
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=4424a8d1acc0a30542d4399e83c2a6cfcdd1eb71
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=6809ea1c570b40c9b2f139684784d6318d958011
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=46011a70c1c21a5dba02b38edeac16e667544361
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=5c0c26e7dca8f892cc342213e737494d8fd3384f
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=cbf0eda5de05545754540e0ad3173dca5737742e
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=f844988bde35e491507a1b9b7f84b810464cbf78
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=3f71d6b91e7e6fd594c0c8f18b8a1253fea0e093
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=0ba35fe91ce34f2d0feff626efd0062dac41781c
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=8190826e75cee9d9c008d24d557ef1ce06f5e3e2
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=e5b180a1dd0cd0a8f8c3576eb032c7afda468dcc
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=5862347fd2b74bc00cd34828afae6dc21206a70a
https://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git/commit/?id=ef6c74ee0d35122fde67f9af3758071374a31482
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