perf/x86/amd: Make Zen3 branch sampling opt-in
Add a kernel config option CONFIG_PERF_EVENTS_AMD_BRS to make the support for AMD Zen3 Branch Sampling (BRS) an opt-in compile time option. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20220322221517.2510440-8-eranian@google.com
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