Re: [PATCH 05/10] KVM: x86: Explicitly disable TSC scaling without CONSTANT_TSC

2024-04-19 Thread Paul Durrant
On 18/04/2024 20:34, David Woodhouse wrote: From: David Woodhouse KVM does make an attempt to cope with non-constant TSC, and has notifiers to handle host TSC frequency changes. However, it *only* adjusts the KVM clock, and doesn't adjust TSC frequency scaling when the host changes. This is pr

[PATCH 05/10] KVM: x86: Explicitly disable TSC scaling without CONSTANT_TSC

2024-04-18 Thread David Woodhouse
From: David Woodhouse KVM does make an attempt to cope with non-constant TSC, and has notifiers to handle host TSC frequency changes. However, it *only* adjusts the KVM clock, and doesn't adjust TSC frequency scaling when the host changes. This is presumably because non-constant TSCs were fixed