From nobody Mon Feb 9 21:37:30 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 126EB1552E0; Mon, 3 Feb 2025 00:43:28 +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=1738543408; cv=none; b=P0cC8+O6W0bkRBdWU4tzouGVvk4rBYC3ViMBG0n7eBlrhQ0/HuCY1tAAk3tjimlXli7UGl6kXjkF8Emosu41Z9BVtU0jqlHFxmoalS4agOrPUxe1Fhes8R/BzjiqaisO4aGiT7GNGPfrjBOqlM5Wm2iN3a1dRhJY87YwEBzq98c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738543408; c=relaxed/simple; bh=YMoiz1IwW30xuvS/3gbiYu27fbDSzCf+Hk+27MpZh5k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=HRfiOVRICS0Nu76e9NAZbbpLXd3KDLs5iyVqdKdU7h4C/aZ/isIMCFvadKTu5ecRlEqTp8moE/TZCWMmBIdfiZ5GmhB1XaFn+satrzvqMQ+ybuC1ym70Rkx8CDrw+HXbphRTebfsCB8DB8ha/ucbHxbRShEOUtfZJ28BI+JN+Zk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dqILbKnX; 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="dqILbKnX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B930FC4CED1; Mon, 3 Feb 2025 00:43:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738543407; bh=YMoiz1IwW30xuvS/3gbiYu27fbDSzCf+Hk+27MpZh5k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=dqILbKnX9RcTtbghAlRcQhrJ00+LHmmLHnq0/inKrExKlyxXPoBKKT+HV/rTQu4he z5mlKFr/eCAlN7di3QorUcd3Ob9Hgsu9rmG2bQmMvmkdY1+91muZz2lo9bNxiQOZUI gJj+zuVyCqJZJUYTdzGWUufs1eXPNkakE0kyX6gmfpwPOHbAjmH+sSxFklkbsFPO+f /Z6BmQr76S2OCFaANBwT6yoRpaCI8N3Dzeac172BMPuVwjTDi00oDDW8OeZL/y7wD0 UD3y2MS7CxHcc/d1pvX60pMfkkWc3lX3zUeEMIGBtfj9lOq+xEuGJlg9SOglpugQiJ rnl7ridn+FQyw== From: "Rob Herring (Arm)" Date: Sun, 02 Feb 2025 18:43:01 -0600 Subject: [PATCH v19 07/11] perf: arm_pmu: Move PMUv3-specific data 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: <20250202-arm-brbe-v19-v19-7-1c1300802385@kernel.org> References: <20250202-arm-brbe-v19-v19-0-1c1300802385@kernel.org> In-Reply-To: <20250202-arm-brbe-v19-v19-0-1c1300802385@kernel.org> To: Will Deacon , Mark Rutland , Catalin Marinas , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , James Clark , Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev X-Mailer: b4 0.15-dev From: Mark Rutland A few fields in struct arm_pmu are only used with PMUv3, and soon we will need to add more for BRBE. Group the fields together so that we have a logical place to add more data in future. At the same time, remove the comment for reg_pmmir as it doesn't convey anything useful. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland Signed-off-by: Rob Herring (Arm) Reviewed-by: Anshuman Khandual --- include/linux/perf/arm_pmu.h | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 4b5b83677e3f..c70d528594f2 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -84,7 +84,6 @@ struct arm_pmu { struct pmu pmu; cpumask_t supported_cpus; char *name; - int pmuver; irqreturn_t (*handle_irq)(struct arm_pmu *pmu); void (*enable)(struct perf_event *event); void (*disable)(struct perf_event *event); @@ -102,18 +101,20 @@ struct arm_pmu { int (*map_event)(struct perf_event *event); DECLARE_BITMAP(cntr_mask, ARMPMU_MAX_HWEVENTS); bool secure_access; /* 32-bit ARM only */ -#define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40 - DECLARE_BITMAP(pmceid_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS); -#define ARMV8_PMUV3_EXT_COMMON_EVENT_BASE 0x4000 - DECLARE_BITMAP(pmceid_ext_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS); struct platform_device *plat_device; struct pmu_hw_events __percpu *hw_events; struct hlist_node node; struct notifier_block cpu_pm_nb; /* the attr_groups array must be NULL-terminated */ const struct attribute_group *attr_groups[ARMPMU_NR_ATTR_GROUPS + 1]; - /* store the PMMIR_EL1 to expose slots */ + + /* PMUv3 only */ + int pmuver; u64 reg_pmmir; +#define ARMV8_PMUV3_MAX_COMMON_EVENTS 0x40 + DECLARE_BITMAP(pmceid_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS); +#define ARMV8_PMUV3_EXT_COMMON_EVENT_BASE 0x4000 + DECLARE_BITMAP(pmceid_ext_bitmap, ARMV8_PMUV3_MAX_COMMON_EVENTS); =20 /* Only to be used by ACPI probing code */ unsigned long acpi_cpuid; --=20 2.47.2