From nobody Thu Feb 12 20:29:44 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 826B31514F9; Fri, 7 Jun 2024 20:32:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717792324; cv=none; b=e1or98+c395Hk5B3UiU1ENAvtO8sJ8daAW4trsTUQmLgqGqiz+Kn0Tl+QJYIxP73yZxM/47e2grtBVEvZZMZj2dHExagXgUHoCgt4hZJFiAinmDlfUxd6nHT+XJVifGkQJySAiE9TbSnum3YuG4GFaTrC3eJ5nIo4F5cYE7t228= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717792324; c=relaxed/simple; bh=fgF8NeangU+IYDXxVWYK3CVB9PI5gI3tRv7iErEHfpY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=L2+X7SZIR5qaPIExc6z6tX5Nezme43/BF276mbjQrFT90lRp/QrJePAV8+uMo2fyymUJZ/NuGvfccTbagqUNHyl067v0vQAfeppf6qbUdLihog8+98/LaV8KHuQygtE6Nvt6zvCgmaVmuCljNE0RmgjIxP3xQztO4Dn3urbcvps= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hbCjfBcM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hbCjfBcM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B66EC2BBFC; Fri, 7 Jun 2024 20:32:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717792324; bh=fgF8NeangU+IYDXxVWYK3CVB9PI5gI3tRv7iErEHfpY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=hbCjfBcM3eIR2Mal8CfRaYjzFSXUf6/Q7WYuXt5+rlxCh3OhtrAcB/W7haHwswniR WPaG6cXPDXUrbnFoYN80MYkqsNEvOC3vAAe61v9eRCaOZEn4xJYKEJ9TnF/T+QbfVA x+4hoeaAg2vOJ19VydY4g+A6DsCQWzYhBw+TvlDMzWrBvtZpvr+hdQ9kKX9xPgwBev DvPPIOupbR5mAC5+r4aPHnJnCSXB5zGqBYD6+ciqcHKME26/hL0Xcc9GppC1x2eCwR X7Wke+Gs5eN6LbU1ZxEOcW4pUEa7kfp2ix1ibcVKLge8q/eneo/QQjJzHdylDmMrUo CmUsL4H07aPIg== From: "Rob Herring (Arm)" Date: Fri, 07 Jun 2024 14:31:26 -0600 Subject: [PATCH 1/9] perf/arm: Move 32-bit PMU drivers to drivers/perf/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240607-arm-pmu-3-9-icntr-v1-1-c7bd2dceff3b@kernel.org> References: <20240607-arm-pmu-3-9-icntr-v1-0-c7bd2dceff3b@kernel.org> In-Reply-To: <20240607-arm-pmu-3-9-icntr-v1-0-c7bd2dceff3b@kernel.org> To: Russell King , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Will Deacon , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, kvmarm@lists.linux.dev X-Mailer: b4 0.14-dev It is preferred to put drivers under drivers/ rather than under arch/. The PMU drivers also depend on arm_pmu.c, so it's better to place them all together. Signed-off-by: Rob Herring (Arm) Acked-by: Mark Rutland --- arch/arm/kernel/Makefile | 2 -- drivers/perf/Kconfig | 12 ++++++++= ++++ drivers/perf/Makefile | 3 +++ arch/arm/kernel/perf_event_v6.c =3D> drivers/perf/arm_v6_pmu.c | 3 --- arch/arm/kernel/perf_event_v7.c =3D> drivers/perf/arm_v7_pmu.c | 3 --- .../perf_event_xscale.c =3D> drivers/perf/arm_xscale_pmu.c | 3 --- 6 files changed, 15 insertions(+), 11 deletions(-) diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 89a77e3f51d2..aaae31b8c4a5 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -78,8 +78,6 @@ obj-$(CONFIG_CPU_XSC3) +=3D xscale-cp0.o obj-$(CONFIG_CPU_MOHAWK) +=3D xscale-cp0.o obj-$(CONFIG_IWMMXT) +=3D iwmmxt.o obj-$(CONFIG_PERF_EVENTS) +=3D perf_regs.o perf_callchain.o -obj-$(CONFIG_HW_PERF_EVENTS) +=3D perf_event_xscale.o perf_event_v6.o \ - perf_event_v7.o AFLAGS_iwmmxt.o :=3D -Wa,-mcpu=3Diwmmxt obj-$(CONFIG_ARM_CPU_TOPOLOGY) +=3D topology.o obj-$(CONFIG_VDSO) +=3D vdso.o diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig index 7526a9e714fa..aa9530b4064f 100644 --- a/drivers/perf/Kconfig +++ b/drivers/perf/Kconfig @@ -56,6 +56,18 @@ config ARM_PMU Say y if you want to use CPU performance monitors on ARM-based systems. =20 +config ARM_V6_PMU + depends on ARM_PMU && (CPU_V6 || CPU_V6K) + def_bool y + +config ARM_V7_PMU + depends on ARM_PMU && CPU_V7 + def_bool y + +config ARM_XSCALE_PMU + depends on ARM_PMU && CPU_XSCALE + def_bool y + config RISCV_PMU depends on RISCV bool "RISC-V PMU framework" diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile index 29b1c28203ef..d43df81d52f7 100644 --- a/drivers/perf/Makefile +++ b/drivers/perf/Makefile @@ -6,6 +6,9 @@ obj-$(CONFIG_ARM_DSU_PMU) +=3D arm_dsu_pmu.o obj-$(CONFIG_ARM_PMU) +=3D arm_pmu.o arm_pmu_platform.o obj-$(CONFIG_ARM_PMU_ACPI) +=3D arm_pmu_acpi.o obj-$(CONFIG_ARM_PMUV3) +=3D arm_pmuv3.o +obj-$(CONFIG_ARM_V6_PMU) +=3D arm_v6_pmu.o +obj-$(CONFIG_ARM_V7_PMU) +=3D arm_v7_pmu.o +obj-$(CONFIG_ARM_XSCALE_PMU) +=3D arm_xscale_pmu.o obj-$(CONFIG_ARM_SMMU_V3_PMU) +=3D arm_smmuv3_pmu.o obj-$(CONFIG_FSL_IMX8_DDR_PMU) +=3D fsl_imx8_ddr_perf.o obj-$(CONFIG_FSL_IMX9_DDR_PMU) +=3D fsl_imx9_ddr_perf.o diff --git a/arch/arm/kernel/perf_event_v6.c b/drivers/perf/arm_v6_pmu.c similarity index 99% rename from arch/arm/kernel/perf_event_v6.c rename to drivers/perf/arm_v6_pmu.c index d9fd53841591..f7593843bb85 100644 --- a/arch/arm/kernel/perf_event_v6.c +++ b/drivers/perf/arm_v6_pmu.c @@ -31,8 +31,6 @@ * enable the interrupt. */ =20 -#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) - #include #include =20 @@ -445,4 +443,3 @@ static struct platform_driver armv6_pmu_driver =3D { }; =20 builtin_platform_driver(armv6_pmu_driver); -#endif /* CONFIG_CPU_V6 || CONFIG_CPU_V6K */ diff --git a/arch/arm/kernel/perf_event_v7.c b/drivers/perf/arm_v7_pmu.c similarity index 99% rename from arch/arm/kernel/perf_event_v7.c rename to drivers/perf/arm_v7_pmu.c index a3322e2b3ea4..fdd936fbd188 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/drivers/perf/arm_v7_pmu.c @@ -17,8 +17,6 @@ * counter and all 4 performance counters together can be reset separatel= y. */ =20 -#ifdef CONFIG_CPU_V7 - #include #include #include @@ -2002,4 +2000,3 @@ static struct platform_driver armv7_pmu_driver =3D { }; =20 builtin_platform_driver(armv7_pmu_driver); -#endif /* CONFIG_CPU_V7 */ diff --git a/arch/arm/kernel/perf_event_xscale.c b/drivers/perf/arm_xscale_= pmu.c similarity index 99% rename from arch/arm/kernel/perf_event_xscale.c rename to drivers/perf/arm_xscale_pmu.c index 7a2ba1c689a7..3d8b72d6b37f 100644 --- a/arch/arm/kernel/perf_event_xscale.c +++ b/drivers/perf/arm_xscale_pmu.c @@ -13,8 +13,6 @@ * PMU structures. */ =20 -#ifdef CONFIG_CPU_XSCALE - #include #include =20 @@ -745,4 +743,3 @@ static struct platform_driver xscale_pmu_driver =3D { }; =20 builtin_platform_driver(xscale_pmu_driver); -#endif /* CONFIG_CPU_XSCALE */ --=20 2.43.0