# Kernel

It lists a bunch of depending kernel changes
    40bc47b08b6e ("kvm: x86: Enumerate support for CLZERO instruction")
    504ce1954fba ("KVM: x86: Expose XSAVEERPTR to the guest")
    6d61e3c32248 ("kvm: x86: Expose RDPID in KVM_GET_SUPPORTED_CPUID")
    52297436199d ("kvm: svm: Update svm_xsaves_supported")

504ce1954fba is odd as it is actually committed as 
41cd02c6f7f6e66e7abf02a4379e355a7db89f78.
All but 52297436199d are in Focal already.

But that means to be fully working we need to ask the Kernel team to
consider this into the next Kernel they build for Focal.

@Kernel team - what do you tihnk about adding the following patch to the focal 
kernel?
=> https://github.com/torvalds/linux/commit/52297436199d

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https://bugs.launchpad.net/bugs/1887490

Title:
  Add/Backport EPYC-v3 and EPYC-Rome CPU model

Status in libvirt package in Ubuntu:
  Incomplete
Status in linux package in Ubuntu:
  Confirmed
Status in qemu package in Ubuntu:
  Fix Released
Status in libvirt source package in Focal:
  Incomplete
Status in linux source package in Focal:
  Confirmed
Status in qemu source package in Focal:
  Incomplete

Bug description:
  Qemu in focal has already support for most (except amd-stibp) flags of
  this model.

  Please backport the following patches:

  https://github.com/qemu/qemu/commit/a16e8dbc043720abcb37fc7dca313e720b4e0f0c

  https://github.com/qemu/qemu/commit/143c30d4d346831a09e59e9af45afdca0331e819

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