From nobody Sun Dec 14 19:21:52 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 3195D2686BE; Wed, 21 May 2025 12:16:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747829762; cv=none; b=RgddMQ+p+pdBGmp7qwL9IWohmvpzzip9jb+zAKidxgFpu02X5tvLqpufgUKlq7gdqpEayb8fnqTDiKfCtDCoroPDjrEciZUIesb31vnXFLWP+V/6b2DZgdV28ksfKi+Yk/vclkE1Df7PlzqA+W4ZswaDbfGpe1z3H02CdiP/v0w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747829762; c=relaxed/simple; bh=FXZdMtAVWXiufldFfDu7uex54uhqoPdMVs2oieUxtcA=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=uhmby5yLz2QRCHd9JOGjmfihuo7sO4/WVKhDpMTnF8vy0lH695W739kUghg48mtQA1oLT3i9rK1I0HF+V3gCLrVJvio7Op9lGHEAoIGjut0qqBI66EsdiTKbGtRGfyld4KIZ8eHnxvIqwyFxUXi0/NZ62FZYPkVdCMffz8LDlvg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=42b6OKPa; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=jH+SOQRJ; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="42b6OKPa"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="jH+SOQRJ" Date: Wed, 21 May 2025 12:15:58 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1747829759; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sy/FKjz+FeLWhv//pJxzXNPKyr5zldMpRCH0jIGAdZQ=; b=42b6OKPaJ6KbJvCD4qwMoJBgQ5G0dz3LEReyLt1QKp4NGSKsN3bH1QT+HvTpxvCEe3rVEv AlSYXQ1HrzXCfmaw1zHFnvUNDwI6nXdls7Ix8FQ695LBVMzyxVA02E4BewMDUrg8PAJoRi nXyq9GRaziovnNq//hTMBrR2N+Ez0AVX+4FsR1NCZZ70iS0s769WJkUBqwKEWIOBhZTbwQ WBxEcUPf3w4Z0puSJQLPs5C5cdyYaOBaQRfx1kOrKiUjdV0nD6+mOgnKfRMdNBgCpzL7FR bEdng9/XhujYQCQ7BSI0ma6Nwu0yhrFDa6mLpuGMaKX57ftYWO1CGpaUsETQ2w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1747829759; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sy/FKjz+FeLWhv//pJxzXNPKyr5zldMpRCH0jIGAdZQ=; b=jH+SOQRJ2MlFbEv/1mXBvFpoD/BVynUpcjgK129jAdzi6kmvKFf/ytciMa+mPR9VAucAbC OdZrf9seC/T2sHBA== From: "tip-bot2 for Kan Liang" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/core] perf/arm: Remove driver-specific throttle support Cc: Kan Liang , "Peter Zijlstra (Intel)" , Leo Yan , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250520181644.2673067-9-kan.liang@linux.intel.com> References: <20250520181644.2673067-9-kan.liang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <174782975830.406.13397032667513134760.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the perf/core branch of tip: Commit-ID: 15073765285b965f70e4a29eb9a8d2a94e9abd48 Gitweb: https://git.kernel.org/tip/15073765285b965f70e4a29eb9a8d2a94= e9abd48 Author: Kan Liang AuthorDate: Tue, 20 May 2025 11:16:36 -07:00 Committer: Peter Zijlstra CommitterDate: Wed, 21 May 2025 13:57:44 +02:00 perf/arm: Remove driver-specific throttle support The throttle support has been added in the generic code. Remove the driver-specific throttle support. Besides the throttle, perf_event_overflow may return true because of event_limit. It already does an inatomic event disable. The pmu->stop is not required either. Signed-off-by: Kan Liang Signed-off-by: Peter Zijlstra (Intel) Tested-by: Leo Yan Link: https://lore.kernel.org/r/20250520181644.2673067-9-kan.liang@linux.in= tel.com --- drivers/perf/arm_pmuv3.c | 3 +-- drivers/perf/arm_v6_pmu.c | 3 +-- drivers/perf/arm_v7_pmu.c | 3 +-- drivers/perf/arm_xscale_pmu.c | 6 ++---- 4 files changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index e506d59..3db9f4e 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -887,8 +887,7 @@ static irqreturn_t armv8pmu_handle_irq(struct arm_pmu *= cpu_pmu) * an irq_work which will be taken care of in the handling of * IPI_IRQ_WORK. */ - if (perf_event_overflow(event, &data, regs)) - cpu_pmu->disable(event); + perf_event_overflow(event, &data, regs); } armv8pmu_start(cpu_pmu); =20 diff --git a/drivers/perf/arm_v6_pmu.c b/drivers/perf/arm_v6_pmu.c index b09615b..7cb12c8 100644 --- a/drivers/perf/arm_v6_pmu.c +++ b/drivers/perf/arm_v6_pmu.c @@ -276,8 +276,7 @@ armv6pmu_handle_irq(struct arm_pmu *cpu_pmu) if (!armpmu_event_set_period(event)) continue; =20 - if (perf_event_overflow(event, &data, regs)) - cpu_pmu->disable(event); + perf_event_overflow(event, &data, regs); } =20 /* diff --git a/drivers/perf/arm_v7_pmu.c b/drivers/perf/arm_v7_pmu.c index 17831e1..a1e4381 100644 --- a/drivers/perf/arm_v7_pmu.c +++ b/drivers/perf/arm_v7_pmu.c @@ -930,8 +930,7 @@ static irqreturn_t armv7pmu_handle_irq(struct arm_pmu *= cpu_pmu) if (!armpmu_event_set_period(event)) continue; =20 - if (perf_event_overflow(event, &data, regs)) - cpu_pmu->disable(event); + perf_event_overflow(event, &data, regs); } =20 /* diff --git a/drivers/perf/arm_xscale_pmu.c b/drivers/perf/arm_xscale_pmu.c index 638fea9..c2ac41d 100644 --- a/drivers/perf/arm_xscale_pmu.c +++ b/drivers/perf/arm_xscale_pmu.c @@ -186,8 +186,7 @@ xscale1pmu_handle_irq(struct arm_pmu *cpu_pmu) if (!armpmu_event_set_period(event)) continue; =20 - if (perf_event_overflow(event, &data, regs)) - cpu_pmu->disable(event); + perf_event_overflow(event, &data, regs); } =20 irq_work_run(); @@ -519,8 +518,7 @@ xscale2pmu_handle_irq(struct arm_pmu *cpu_pmu) if (!armpmu_event_set_period(event)) continue; =20 - if (perf_event_overflow(event, &data, regs)) - cpu_pmu->disable(event); + perf_event_overflow(event, &data, regs); } =20 irq_work_run();