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Move the PMC overflow count to make it per-CPU

Description

Move the PMC overflow count to make it per-CPU

Virtual PMCs could be running on multiple CPUs so this needs to be
a per-CPU value.

Submitted by: rwatson (earlier version)
Reviewed by: gnn
Sponsored by: Innovate UK
Differential Revision: https://reviews.freebsd.org/D27973

Details

Provenance
andrewAuthored on Jan 4 2021, 1:25 PM
Reviewer
gnn
Differential Revision
D27973: Move the PMC overflow count to make it per-CPU
Parents
R10:90a6e9ef6320: Update hwpmc on armv7 to handle overflow better
Branches
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Tags
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