From nobody Sun Feb 8 18:49:26 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 795702749F1; Wed, 14 May 2025 15:14:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747235693; cv=none; b=ayL1G2ifggn/E/mfaSO+Em09P4OFl3B99RfQWn9lCss2m/iAXmnXR4qwQcPEAVJXVfv0JgQGy3+hLr3lOeuVw9do8rmSYXFL3N4Qrl4wVM9S9QCWYceuEj+L/qxfUyKehQ32Nc2ZVMpsS1rrupAHV+qGSRjpIjlGUIBOA50jlqs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747235693; c=relaxed/simple; bh=UsduOhasYm/HfIIj9WN3RQZEbqTT0MBS3lHLGt9ZIsE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ZVnT18/aEBfPiwoM3Fs7/okANg05bBtVN/xWnobiAK9FwslCAw+JjqYuK0nvjZVcNiMgJc3Iy1cUGGABsYFv1Wucv4lZl0ORV2GuDyjynMWg9PXMhBWF7OcOYQZdVCWVNuxdoh4F30zQzbRTMoiR2Z2eFRRoIDKAr/pMFt9BceE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IT4W/YU8; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IT4W/YU8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747235691; x=1778771691; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UsduOhasYm/HfIIj9WN3RQZEbqTT0MBS3lHLGt9ZIsE=; b=IT4W/YU81HnNynSQ6sbg/u9hROl17aQAl+wjUWzEBO0E3YtnYNH+iJjH v0vOF6kBn2DPfwHY+yQN7mBWElNBZeXGZFOyA3V/CVKGeafYqhbRZpAS2 lR1z3O5N1XnFARNnnPVXT0T+jyaDQEe1kcuslzqsdK6A2Hyae9eN2SQ94 47tC8IypOXBfTwY6eEBKfqtT7kAiTjpvxotzwpSi8bHh80IZsYyNqrWZX kzUhzUYDb2HQTPFsbofY+FwlicnpRYmo952p25KKvjeBf3FE/yI33JOjh 9Q3BB1S3266mU+L391RPx7QtuqTfr8Hsy3sn5CJ2BqtBpHXrgtdRVf0Rp A==; X-CSE-ConnectionGUID: fOJn6xEaTZ+PBbySguwSbA== X-CSE-MsgGUID: WmMpWnuhTT6ECc8iGF0syQ== X-IronPort-AV: E=McAfee;i="6700,10204,11433"; a="49072782" X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="49072782" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2025 08:14:47 -0700 X-CSE-ConnectionGUID: 2sZf2b5/RXG+mXmpRA20iw== X-CSE-MsgGUID: tembz7sPSrmxQ6jxfscfVA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="142939175" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa005.fm.intel.com with ESMTP; 14 May 2025 08:14:46 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, namhyung@kernel.org, irogers@google.com, mark.rutland@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: eranian@google.com, ctshao@google.com, tmricht@linux.ibm.com, Kan Liang , Mao Han , Guo Ren , linux-csky@vger.kernel.org Subject: [PATCH V2 11/15] csky/perf: Remove driver-specific throttle support Date: Wed, 14 May 2025 08:13:57 -0700 Message-Id: <20250514151401.2547932-12-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250514151401.2547932-1-kan.liang@linux.intel.com> References: <20250514151401.2547932-1-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 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Kan Liang 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 Cc: Mao Han Cc: Guo Ren Cc: linux-csky@vger.kernel.org Acked-by: Guo Ren --- arch/csky/kernel/perf_event.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/csky/kernel/perf_event.c b/arch/csky/kernel/perf_event.c index e5f18420ce64..e0a36acd265b 100644 --- a/arch/csky/kernel/perf_event.c +++ b/arch/csky/kernel/perf_event.c @@ -1139,8 +1139,7 @@ static irqreturn_t csky_pmu_handle_irq(int irq_num, v= oid *dev) perf_sample_data_init(&data, 0, hwc->last_period); csky_pmu_event_set_period(event); =20 - if (perf_event_overflow(event, &data, regs)) - csky_pmu_stop_event(event); + perf_event_overflow(event, &data, regs); } =20 csky_pmu_enable(&csky_pmu.pmu); --=20 2.38.1