perf/x86/intel: Add counter freezing quirk for Goldmont
A microcode patch is also needed for Goldmont while counter freezing feature is enabled. Otherwise, there will be some issues, e.g. PMI lost. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: bp@alien8.de Link: https://lkml.kernel.org/r/1549319013-4522-5-git-send-email-kan.liang@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -3924,8 +3924,12 @@ static __init void intel_nehalem_quirk(void)
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}
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static const struct x86_cpu_desc counter_freezing_ucodes[] = {
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 1, 0x00000028),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 8, 0x00000006),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 2, 0x0000000e),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 9, 0x0000002e),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 10, 0x00000008),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_X, 1, 0x00000028),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 1, 0x00000028),
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INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 8, 0x00000006),
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{}
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};
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@ -4295,6 +4299,7 @@ __init int intel_pmu_init(void)
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case INTEL_FAM6_ATOM_GOLDMONT:
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case INTEL_FAM6_ATOM_GOLDMONT_X:
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x86_add_quirk(intel_counter_freezing_quirk);
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memcpy(hw_cache_event_ids, glm_hw_cache_event_ids,
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sizeof(hw_cache_event_ids));
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memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs,
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