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Currently the perf CPU backend drivers detect what CPU they're on using
cur_cpu_spec->oprofile_cpu_type.
Although that works, it's a bit crufty to be using oprofile related fields,
especially seeing as oprofile is more or less unused these days.
It also means perf is reliant on the fragile logic in setup_cpu_spec()
which detects when we're using a logical PVR and copies back the PMU
related fields from the raw CPU entry. So lets check the PVR directly.
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
[chleroy: Added power10 and fixed checkpatch issues]
Reviewed-and-tested-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Reviewed-and-tested-By: Kajol Jain <kjain@linux.ibm.com> [For 24x7 side changes]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20c0ee7f99dbf0dbf8658df6b39f84753e6db1ef.1657204631.git.christophe.leroy@csgroup.eu
ec3eb9d941