Re: [PATCH v2 0/7] KVM: VMX: PT (processor trace) optimization cleanup and fixes

From: Paolo Bonzini
Date: Tue Oct 19 2021 - 12:52:27 EST


On 27/08/21 09:02, Xiaoyao Li wrote:
Patch 1-3 are optimization and cleanup.

Patch 4-7 are fixes for PT. Patch 4 and 5 fix the virtulazation of PT to
provide architectual consistent behavior for guest. Patch 6 fix the case
that malicious userspace can exploit PT to cause vm-entry failure or #GP
in KVM. Patch 7 fix the potential MSR access #GP if some PT MSRs not
available on hardware.

Patch 3 and patch 7 are added in v2.

Queued patches 1-4, thanks.

Paolo