** Changed in: linux-azure (Ubuntu Kinetic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/2004090
Title:
Azure: Performance improvement for TDX
Status in linux-azure package in Ubuntu:
New
Status in linux-azure source package in Kinetic:
Fix Committed
Bug description:
SRU Justification
[Impact]
ms_hyperv_init_platform() hides HV_MSR_REFERENCE_TSC_AVAILABLE for TDX
guests in favor of Invariant-TSC. In this case, we should also
downgrade the rating of hyperv_cs_msr.rating, so Invariant-TSC can be
used by default.
[Fix]
https://github.com/dcui/tdx.git
367f18c06ac999c2822b0c24f50a87994635d4bd
[Where things could go wrong]
TDX guests may perform worse.
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