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 CDA4B2882BF; Tue, 20 May 2025 18:17:22 +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=1747765044; cv=none; b=cRWm8RJ2nGCN6vdSNDn2nwvMP5TEdqnwh3W7uEJ0CfbCY4ePJPNceMkextB71TARrWRIHYcqYwZuCA4IXWVfNe0xvUSduM5Vy5Cb8Wze771bUXF9EnO8QGdQpOlwPNoeIitwjXJkewJXmBubJJObh7Oljs0xJEKZvzuBMotJjE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765044; c=relaxed/simple; bh=NOF3NytMVQIJq/xAjPCxlMah7ql+VhgMWECiQmo4kho=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nnsZoNFov0WVFUmj5r0sAfK3oX/71MwMg7lCt675ULaaeweGAc8VkbPlX/ML7aEbWwTS8OPz3Y7gflbashZJK1n2jm0OlXdY3Ee+LcA7xmfekC7voa9rgXDinWove91ZkUyTe6hVaOf2NvzqrFdn5WzahpR0zpmwmzguVW7aV9k= 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=V+lbkm+6; 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="V+lbkm+6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747765043; x=1779301043; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=NOF3NytMVQIJq/xAjPCxlMah7ql+VhgMWECiQmo4kho=; b=V+lbkm+6w+k1Sbt0DTOW+RDvb3jzOI72dcUUfSdDZmTCwTvGRxlL/G2U ywEcgtIhb1pIe7ABINnjeXA6mdxAC0ph17B+SQ0rE2dAaKGSvKhnT7av0 kUoQ8/6D02vfwPlkwtpb+tg1Cvm49qDrhuMsBNxoSVBU2UnriHNnaFFSw WVBkbzphLRZcmbx/gV444Os09lb/ipzzmmvYte9wuQS51y++LH5mFyz1E gtipWVRhXvANSAmUs0+O2Vce9jMImLRAstZzDfls5O3e1t/DEpabUXj9Q s4M3BhBjkQm89u15b1NBs3O8fAQxSeH4/jQR320OYWEdYoYFDLRugE1X2 A==; X-CSE-ConnectionGUID: m+2/8ZTaT8mk+RSH+lx8/g== X-CSE-MsgGUID: 3e6ikdJnT9a9EKSduAkRwg== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="49848048" X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="49848048" 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: 6qpFn7j3TNC6gp7qhJhruQ== X-CSE-MsgGUID: b781uelYQK67hqjQQq3+xw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="144514723" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by orviesa003.jf.intel.com with ESMTP; 20 May 2025 11:17:14 -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 , Max Filippov Subject: [PATCH V4 15/16] xtensa/perf: Remove driver-specific throttle support Date: Tue, 20 May 2025 11:16:43 -0700 Message-Id: <20250520181644.2673067-16-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. Reviewed-by: Max Filippov Signed-off-by: Kan Liang Cc: Max Filippov --- arch/xtensa/kernel/perf_event.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c index 183618090d05..223f1d452310 100644 --- a/arch/xtensa/kernel/perf_event.c +++ b/arch/xtensa/kernel/perf_event.c @@ -388,8 +388,7 @@ irqreturn_t xtensa_pmu_irq_handler(int irq, void *dev_id) struct pt_regs *regs = get_irq_regs(); perf_sample_data_init(&data, 0, last_period); - if (perf_event_overflow(event, &data, regs)) - xtensa_pmu_stop(event, 0); + perf_event_overflow(event, &data, regs); } rc = IRQ_HANDLED; -- 2.38.1