[Bug 2138120] Re: x86: tsc: Fix TSC clock source being disabled when SNC is enabled causing fall back to less precise HPET

** Changed in: linux (Ubuntu Noble)
Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/2138120

Title:
x86: tsc: Fix TSC clock source being disabled when SNC is enabled
causing fall back to less precise HPET

Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Noble:
Fix Committed

Bug description:
[ Impact ]

* Performance degradation can occur after the first power cycle due
to using the less precise HPET instead of TSC.

[ Fix ]

* Clean cherry pick of :
b4bac27 x86/tsc: Use topology_max_packages() to get package number

[ Test Plan ]

* Compiled

[ Where problems could occur ]

* TSC regression.

[ Other Info ]

* This is a public version of: https://bugs.launchpad.net/bugs/2115101

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