linux-kernel - [Patch v3 1/4] perf/x86: Refine hybrid_pmu

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Message-Id: <20240820073853.1974746-2-dapeng1.mi@linux.intel.com>
Date: Tue, 20 Aug 2024 07:38:50 +0000
From: Dapeng Mi <dapeng1.mi@...ux.intel.com>
To: Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Kan Liang <kan.liang@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>,
	Yongwei Ma <yongwei.ma@...el.com>,
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Dapeng Mi <dapeng1.mi@...el.com>,
	Dapeng Mi <dapeng1.mi@...ux.intel.com>
Subject: [Patch v3 1/4] perf/x86: Refine hybrid_pmu_type defination

Use macros instead of magic number to define hybrid_pmu_type and remove
X86_HYBRID_NUM_PMUS since it's never used.

Signed-off-by: Dapeng Mi <dapeng1.mi@...ux.intel.com>
Tested-by: Yongwei Ma <yongwei.ma@...el.com>
Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>
---
 arch/x86/events/perf_event.h | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index ac1182141bf6..fdd7d0369d42 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -674,19 +674,17 @@ enum hybrid_cpu_type {
 	HYBRID_INTEL_CORE	= 0x40,
 };
 
+#define X86_HYBRID_PMU_ATOM_IDX		0
+#define X86_HYBRID_PMU_CORE_IDX		1
+
 enum hybrid_pmu_type {
 	not_hybrid,
-	hybrid_small		= BIT(0),
-	hybrid_big		= BIT(1),
+	hybrid_small		= BIT(X86_HYBRID_PMU_ATOM_IDX),
+	hybrid_big		= BIT(X86_HYBRID_PMU_CORE_IDX),
 
 	hybrid_big_small	= hybrid_big | hybrid_small, /* only used for matching */
 };
 
-#define X86_HYBRID_PMU_ATOM_IDX		0
-#define X86_HYBRID_PMU_CORE_IDX		1
-
-#define X86_HYBRID_NUM_PMUS		2
-
 struct x86_hybrid_pmu {
 	struct pmu			pmu;
 	const char			*name;
-- 
2.40.1