From nobody Fri Dec 19 20:16:01 2025 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 07A7727FD7A; Fri, 16 May 2025 18:29:26 +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=1747420168; cv=none; b=TvIyDFMAS7cJUPDreg6ot/+UrkIqn68uC6Bs6BnigBfgATNuIy4SXYOQK7GzFwkLfH52oCdgdhz4WBD2wWisYXtU1d2kceD65jSw5zgDQKdgfV530tzGrfwvwS950GDDzeu7TRhuBVL1W85acwtXu7XxUxwndxiazJVvYeqz1qA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747420168; c=relaxed/simple; bh=jtzi1Dswis+7E8s5xuD4Q5RcegCZpv4/8lL3qUWjHa0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mbkEOY/FjbK7vFWp/mU1Sd2PlB+PjL/Wm501sfaDTYNXuH9iBKyavBnk2+3VU9N/BzjcMayzrvQasmcqSTDWD43h/xRz3OHkBoUPnkVH+7jE9IWpUGyIHdh+0q1QZ09Ue3rgOUkzHWOk2iCI+9uHYYMBEj0lis5DGEa7O+0GJA0= 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=W1BcsYkf; 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="W1BcsYkf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747420167; x=1778956167; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jtzi1Dswis+7E8s5xuD4Q5RcegCZpv4/8lL3qUWjHa0=; b=W1BcsYkfkbaZcbacrC0tdtgBmw/6YQxzlwbakcZHzP+qwJinLRj+2Iis seL8MMdZR7KEaAgCmYM6A2PnLgaqui2YqfrZOvqj4GvJCeNZq8zV71Kts rX01Wc3JYTjUNNo3wOKL76TnNzP3HQflnr4/3GDi4gg0F81G/rkjtL1ar bYYmKj4UaCfgKwMciJiAsw9DM60G5j2Lkk2aLWy4JnFqzlgrTxQzyN+OT qTJdCfqStfbeA0E4331oy+EDL8zKiOFolbXVDr+BxO6ijQbikCQWoQXwM 8LaPYU2BhvNDRDy+d45w6m5WbrhLnx6rHqEy7hAMRsRGPQwnVfDGBVISu Q==; X-CSE-ConnectionGUID: Vm17cjiERj2wEMAfcp7Qlw== X-CSE-MsgGUID: Er5nQ4VLSjmX7jqW3+K8Pg== X-IronPort-AV: E=McAfee;i="6700,10204,11435"; a="49328858" X-IronPort-AV: E=Sophos;i="6.15,294,1739865600"; d="scan'208";a="49328858" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2025 11:29:23 -0700 X-CSE-ConnectionGUID: w4qC/1qGTh+TTYBtZ0KYHg== X-CSE-MsgGUID: iTIbMbSZQxu8WApuVIO/vg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,294,1739865600"; d="scan'208";a="169802614" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa001.fm.intel.com with ESMTP; 16 May 2025 11:29:23 -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 , Oliver Upton Subject: [PATCH V3 09/16] perf/apple_m1: Remove driver-specific throttle support Date: Fri, 16 May 2025 11:28:46 -0700 Message-Id: <20250516182853.2610284-10-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250516182853.2610284-1-kan.liang@linux.intel.com> References: <20250516182853.2610284-1-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: Oliver Upton --- drivers/perf/apple_m1_cpu_pmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pm= u.c index df9a28ba69dc..81b6f1a62349 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -474,8 +474,7 @@ static irqreturn_t m1_pmu_handle_irq(struct arm_pmu *cp= u_pmu) if (!armpmu_event_set_period(event)) continue; =20 - if (perf_event_overflow(event, &data, regs)) - m1_pmu_disable_event(event); + perf_event_overflow(event, &data, regs); } =20 cpu_pmu->start(cpu_pmu); --=20 2.38.1