Pull x86 perf fixes from Borislav Petkov:
- Fix Broadwell Xeon's stepping in the PEBS isolation table of CPUs
- Fix a panic when initializing perf uncore machinery on Haswell and
Broadwell servers
* tag 'perf_urgent_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/kvm: Fix Broadwell Xeon stepping in isolation_ucodes[]
perf/x86/intel/uncore: Remove uncore extra PCI dev HSWEP_PCI_PCU_3