From nobody Mon Feb 9 01:56:54 2026 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 47CEA267AEB; Wed, 21 May 2025 12:15:58 +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=1747829760; cv=none; b=PilgrDStE61dPiDvS+NuSpXzrOOfeZAl1FF8PQl8qqCkYSll2+XPosB8ZWi/8pXTwQZ4bNW0LY+vQe5hrvpMrsgpIkrCGv9TOKYJuROJNRwl/pDCA/XEpHJ83BZ4TTy+B/1bpbhXvA3xu7wuRRdSL9ohlgNZAB618nwDCLKSNpM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747829760; c=relaxed/simple; bh=dYFXTA632BeeuGQkMAIDu6iBNmqR0e7n0ux3WF4h3ZQ=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=XuCUGgspzYQMFbTrR0i4GNGjkk67vshSCGRpmgX/iqFbtrDbmP1EPwX4M69eYl4YFMMadFfQ6iMnzhsfElEe3/rcsbWMO3wsplcvO/kA2b1iZ3kjYbtcsev1crqBaX/zbaBgDS1qLGD8/w3Pl8NeuMY2DjdkTjnA6fjd4tNRyQ4= 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=UL884vGQ; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=9TqyxOAC; 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="UL884vGQ"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="9TqyxOAC" Date: Wed, 21 May 2025 12:15:55 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1747829756; 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=fWaX49EpyTWI1CXQV7+qQmnLT22/snn5ib9f2qvjoRE=; b=UL884vGQl0vu27HNCj+KBhotBygvq+NdqO4GfH30WPuH+HI6Y+S03S+zFXbkmPq2z/6ckx nRznmaftoVRmKj1TGfM+fcPfULfbJrJ/ov0WxvnwWC+TBxsJP89q2YIdWo5fZDUGpYUtau byN0oomVWPWTMyc7mh4NvJcRZO5vDgzJKuTLbs31CJuKh0o8O1PnOujphP2ShWUDquHX/+ zPjGze1wBH+PeeYi0FHj4/etJJAw618cJ7IWtJxO0cbmSvjOVQOd5fKyCDAI8XjE3jdlz3 HXA+9/CUJcSMVOlizSh1fOlj5DzutIxbo+wNQP5FFH9jtT0hZSk3xlOJl2SIGA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1747829756; 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=fWaX49EpyTWI1CXQV7+qQmnLT22/snn5ib9f2qvjoRE=; b=9TqyxOACsw5gWNdSgFzCzGdSmW1Da7agmh2j2VENROWdpRfl+9z3OZBvyg2czAKPkABo2D WaUF/amsxQ6n2YCQ== 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] arc/perf: Remove driver-specific throttle support Cc: Kan Liang , "Peter Zijlstra (Intel)" , Vineet Gupta , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20250520181644.2673067-12-kan.liang@linux.intel.com> References: <20250520181644.2673067-12-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: <174782975583.406.14458305783798872837.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: a33d4d5325cce88ecea81c2468d85fa3fe720ab8 Gitweb: https://git.kernel.org/tip/a33d4d5325cce88ecea81c2468d85fa3f= e720ab8 Author: Kan Liang AuthorDate: Tue, 20 May 2025 11:16:39 -07:00 Committer: Peter Zijlstra CommitterDate: Wed, 21 May 2025 13:57:45 +02:00 arc/perf: 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) Acked-by: Vineet Gupta Link: https://lore.kernel.org/r/20250520181644.2673067-12-kan.liang@linux.i= ntel.com --- arch/arc/kernel/perf_event.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 6e5a651..ed6d4f0 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -599,10 +599,8 @@ static irqreturn_t arc_pmu_intr(int irq, void *dev) =20 arc_perf_event_update(event, &event->hw, event->hw.idx); perf_sample_data_init(&data, 0, hwc->last_period); - if (arc_pmu_event_set_period(event)) { - if (perf_event_overflow(event, &data, regs)) - arc_pmu_stop(event, 0); - } + if (arc_pmu_event_set_period(event)) + perf_event_overflow(event, &data, regs); =20 active_ints &=3D ~BIT(idx); } while (active_ints);