Ubuntu
qemu package

  1. Focal (20.04)
  2. Bug #1887490
  3. Comment #5

Comment 5 for bug 1887490

Revision history for this message
Christian Ehrhardt  (paelzer) wrote : Re: Add/Backport EPYC-v3 and EPYC-Rome CPU model

# 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