From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 03487285412; Tue, 20 May 2025 18:17:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765042; cv=none; b=u4zKEGCPG4ARj1vRlB4RHJkcCXwXGwvwiKRKB69B/YUZ1JQQrDvqJ9I9Z3JIaHrSF5zjUvaTz7WmR/VnbAmiglFj0r4DG0CDZyB72CrFuNF8bXePpkFSkEkyrt4ErCW9WZyYJ9ydqVfiiZHAACkj69nyoyr+c0cM73d0S9fr08g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765042; c=relaxed/simple; bh=rrfPQWQxUpl+1TbJT7SuB/unJ120m8U+rV6GjI5dzKk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QdYn2gsPdIgS3+VAnBG6iHIJGN3Taz1+eOns4qOxXKvmmJzbEvphoSIydH06PbxRXazb5iN4+fXn2man/K5L3rmrIbWvYyQZ2m16HIhSRKRZ9Roc2jmhVPxfaqb1rKVGKPIdI4U2iVbN9sVHlTNoDHpKanfkhrcE/DqXzErEa90= 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=ZH35E+Zt; arc=none smtp.client-ip=192.198.163.15 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="ZH35E+Zt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747765041; x=1779301041; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rrfPQWQxUpl+1TbJT7SuB/unJ120m8U+rV6GjI5dzKk=; b=ZH35E+Zt23/1HV2TA6TpierBNxActOiuaH4u+zK4/BH4yqSFVpHHRagr Ufbi2znWpWd+Ix4s+9IIoTU7e2aCWj1WbyL8wZXb8dDdeJwxufMy5iv8B 98v1e++6VWAIvEwylljMxzEjznABnZIHgtWmB5VSXC5ysPfvD5VP38EoM iYXRYH+PD/211dew7ZaGuxQZwa3osNMu3mAaixtOYLLLG2dIh4Bg6fzdc eAiSlQNmhtZ1ebkZe0eN6T3NpmiJRGebDeEkIlgzgLC/YG/y4ARvsTLeX 0452BxLirUKv24rEFztE02Ypq2ZVFQFsvxjS8u04Ue0XuTv/7O2Kr/RbJ Q==; X-CSE-ConnectionGUID: olNzmwJPTj6N5vzuvz1d/Q== X-CSE-MsgGUID: WxBKMJsVTTW7QWigf35iGQ== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="49848034" X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="49848034" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2025 11:17:14 -0700 X-CSE-ConnectionGUID: HPiXoGeHQsGm9bdl/h2sWw== X-CSE-MsgGUID: 32SONy88R0i1xY+3Fd5/qA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="144514720" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orviesa003.jf.intel.com with ESMTP; 20 May 2025 11:17:13 -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, leo.yan@arm.com, Kan Liang , Guo Ren , Mao Han , Guo Ren , linux-csky@vger.kernel.org Subject: [PATCH V4 12/16] csky/perf: Remove driver-specific throttle support Date: Tue, 20 May 2025 11:16:40 -0700 Message-Id: <20250520181644.2673067-13-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250520181644.2673067-1-kan.liang@linux.intel.com> References: <20250520181644.2673067-1-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: 8bit 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. Acked-by: Guo Ren Signed-off-by: Kan Liang Cc: Mao Han Cc: Guo Ren Cc: linux-csky@vger.kernel.org --- 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, void *dev) perf_sample_data_init(&data, 0, hwc->last_period); csky_pmu_event_set_period(event); - if (perf_event_overflow(event, &data, regs)) - csky_pmu_stop_event(event); + perf_event_overflow(event, &data, regs); } csky_pmu_enable(&csky_pmu.pmu); -- 2.38.1