perf/x86: Hybrid PMU support for unconstrained

mainline inclusion
from mainline-v5.13-rc1
commit eaacf07d
category: feature
feature: SRF core PMU support
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I8RWG5
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eaacf07d1116f6bf3b93b265515fccf2301097f2



Intel-SIG: commit eaacf07d perf/x86: Hybrid PMU support for unconstrained
Backport as a dependency for Sierra Forrest core PMU support.

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The unconstrained value depends on the number of GP and fixed counters.
Each hybrid PMU should use its own unconstrained.

Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1618237865-33448-8-git-send-email-kan.liang@linux.intel.com


Signed-off-by: Yunying Sun <yunying.sun@intel.com>