[pve-devel] applied: [PATCH pve-kernel] backport exposing FLUSHBYASID when running nested VMs on AMD CPUs

Thomas Lamprecht t.lamprecht at proxmox.com
Sat Oct 21 12:46:16 CEST 2023


Am 19/10/2023 um 16:59 schrieb Stefan Sterz:
> this exposes the FLUSHBYASID CPU flag to nested VMs when running on an
> AMD CPU. also reverts a made up check that would advertise
> FLUSHBYASID as not supported. this enable certain modern hypervisors
> such as VMWare ESXi 7 and Workstation 17 to run nested VMs properly
> again.
> 
> Signed-off-by: Stefan Sterz <s.sterz at proxmox.com>
> ---
>  ...k-for-reserved-encodings-of-TLB_CONT.patch | 49 +++++++++++++++++++
>  ...-Advertise-support-for-flush-by-ASID.patch | 39 +++++++++++++++
>  2 files changed, 88 insertions(+)
>  create mode 100644 patches/kernel/0014-Revert-nSVM-Check-for-reserved-encodings-of-TLB_CONT.patch
>  create mode 100644 patches/kernel/0015-KVM-nSVM-Advertise-support-for-flush-by-ASID.patch
> 
>

applied, thanks!





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