linux-kernel - [PATCH v3 1/8] perf: arm_spe: Use feature numbering for PMSEVFR

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Message-Id: <20220825-arm-spe-v8-7-v3-1-87682f78caac@kernel.org>
Date:   Fri, 04 Nov 2022 10:55:01 -0500
From:   Rob Herring <robh@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>, Will Deacon <will@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        Ingo Molnar <mingo@...hat.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>
Cc:     kvmarm@...ts.linux.dev, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org, James Clark <james.clark@....com>,
        Mark Brown <broonie@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu
Subject: [PATCH v3 1/8] perf: arm_spe: Use feature numbering for PMSEVFR_EL1 defines

Similar to commit 121a8fc088f1 ("arm64/sysreg: Use feature numbering for
PMU and SPE revisions") use feature numbering instead of architecture
versions for the PMSEVFR_EL1 Res0 defines.

Tested-by: James Clark <james.clark@....com>
Signed-off-by: Rob Herring <robh@...nel.org>
---
v3:
 - No change
v2:
 - New patch
---
 arch/arm64/include/asm/sysreg.h | 6 +++---
 drivers/perf/arm_spe_pmu.c      | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 7d301700d1a9..9a4cf12e3e16 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -294,11 +294,11 @@
 #define SYS_PMSFCR_EL1_ST_SHIFT		18
 
 #define SYS_PMSEVFR_EL1			sys_reg(3, 0, 9, 9, 5)
-#define SYS_PMSEVFR_EL1_RES0_8_2	\
+#define PMSEVFR_EL1_RES0_IMP	\
 	(GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
 	 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
-#define SYS_PMSEVFR_EL1_RES0_8_3	\
-	(SYS_PMSEVFR_EL1_RES0_8_2 & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
+#define PMSEVFR_EL1_RES0_V1P1	\
+	(PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
 
 #define SYS_PMSLATFR_EL1		sys_reg(3, 0, 9, 9, 6)
 #define SYS_PMSLATFR_EL1_MINLAT_SHIFT	0
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 00e3a637f7b6..65cf93dcc8ee 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -677,11 +677,11 @@ static u64 arm_spe_pmsevfr_res0(u16 pmsver)
 {
 	switch (pmsver) {
 	case ID_AA64DFR0_EL1_PMSVer_IMP:
-		return SYS_PMSEVFR_EL1_RES0_8_2;
+		return PMSEVFR_EL1_RES0_IMP;
 	case ID_AA64DFR0_EL1_PMSVer_V1P1:
 	/* Return the highest version we support in default */
 	default:
-		return SYS_PMSEVFR_EL1_RES0_8_3;
+		return PMSEVFR_EL1_RES0_V1P1;
 	}
 }
 

-- 
b4 0.11.0-dev