From nobody Mon Feb 9 05:57:45 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 BE20428689C; Wed, 14 May 2025 15:14:48 +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=1747235690; cv=none; b=UNmWTmCzuht3Veixx1Mv3PaAXLNyRPbC0cND7YZrpeN3cM8ACLktGYoxU2cg12aPKdDOudpLpk2ODLtBBoQa81fDeeTqO0qJjrue+koVd1VmbhHW9ZsFOoeDtBq9APm0ybl7nHoMl+fVX/tGMmm+RBgqe8GNqKovHZuS19bU4BA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747235690; c=relaxed/simple; bh=jtzi1Dswis+7E8s5xuD4Q5RcegCZpv4/8lL3qUWjHa0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=leICoVuFKNNz66Fqy1A/+qvLhXOyVpDSi13+cqLvz0c9GyrnX4gsvz4puFlcK7hokYYmhfVQyp/mo0AkRtjn0zbbLH0uLomuikCaMxA833jeT7I9YPRIfUqNut1FXOFHlFJr12cyE9cjNHZvIQgDuFju/Wb/o16dH+kJZFp2EY4= 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=IAhDzjbJ; 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="IAhDzjbJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747235689; x=1778771689; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jtzi1Dswis+7E8s5xuD4Q5RcegCZpv4/8lL3qUWjHa0=; b=IAhDzjbJlfsKjjqTPw4QRvxLpUzo1x+8WHhQXQBUNis7ZIkwKAEl44CB x/NLR0JpDNga+UTVn+6qTDV95MsofGQY8rN9IwLe2Wsl9rNdbRwRlPKt+ LsiTXtdGTI3MXokg2E60FMFegd+kJgX7MKfCBGqj00JTUndvzp3f0CuEL VvGfuRFGXBdcLPziI5Wsg1okl18qkMuQXcUGNSKLIyLnJ0HbdWpL51jOx +h2i2bSS7LarD3mqi0tPOkVsAopa5oCiacjJdou3Br69gN63UbddIRo+B k3dWadmpamq9BqPGLrDubwQCTGbgOxq/r+XKsjQRtAssRvGoLdSf3fRp2 w==; X-CSE-ConnectionGUID: qYIT3d0zTTGYBKQI8zJajQ== X-CSE-MsgGUID: xrSx1r5eTxqjXAWCd3Pzqw== X-IronPort-AV: E=McAfee;i="6700,10204,11433"; a="49072758" X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="49072758" 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 08:14:46 -0700 X-CSE-ConnectionGUID: b9U4YqtdR0+x9gn5tnQ9/Q== X-CSE-MsgGUID: BgFcYL/QQCa57Xepg6UOjg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="142939171" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa005.fm.intel.com with ESMTP; 14 May 2025 08:14:45 -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 , Oliver Upton Subject: [PATCH V2 08/15] perf/apple_m1: Remove driver-specific throttle support Date: Wed, 14 May 2025 08:13:54 -0700 Message-Id: <20250514151401.2547932-9-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: 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