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 AAB7D28751A; 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=kcFSIgFXAZcp6CHdcGt7x7Tvxk2o0DVTpyjjvSfR9ZEW4Se2GHq/xNW12YRFo1n7yQTkom3cPte3iYWgN+wGRYeIfCqBzj1cnG16yZuoSmgWnUQJPn5Hi0Q8mDXRGkWDPWY3f7vCg5O7t75KmZjvyA+tirf2NFgZfQH12mQKOcg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747765044; c=relaxed/simple; bh=+LerS4ypY2xtEwvIwpQb+1sereJGijuBSIcL0NVDkSQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VQZF3p5LjHg2ZN2VWjwUNxc90ttZjbe/OOJfrFCzuh0AI7+2PSlVgOiQl8mPaThHI1xvY+yhpqYYeJ6kKWVL8ZcJKbG2mGUqKDdpTIaL8IzMGsSY5EjZuPeTuCe1R+IzqexFy0AKMVDMZp8s6mDfUznnXU59c4SArNo1kEXI1VQ= 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=VgOncb3F; 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="VgOncb3F" 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=+LerS4ypY2xtEwvIwpQb+1sereJGijuBSIcL0NVDkSQ=; b=VgOncb3FBudyiHqvWGxGYRlEbYeZLxoh7VxBOyDoQEW/h4C3hA6zRqDR VANtZKUh3jSHjWYXHS6Hq++06L1FOpa6vwZR1kb9cH99W1YWUzEsE4Zea cz7C8360i5wCOShHm12pGbFn/xoiS1SVp+GSnFijlWdXeqgiaYHWJvgqq 1uSt3pKtblmRphbZlb8ZtIsKOkr7RNEs5o8/4+HqTlYJKDZdbMDOGlsec d4l0EhlU7EQCOr0LdwrcsDkZUpkZLOr2Id5R3s/cdFEWXiid9AfJCDJu9 K33Aqs7w7AIFqIkTg2XZKvPVsWoZCJiXLtN8YZW3S+1h0prt/3izLpcdE w==; X-CSE-ConnectionGUID: w7zYMWFjSU2rcY4OrqfO5w== X-CSE-MsgGUID: 6KjH8gFkQpeF8f26Lneljw== X-IronPort-AV: E=McAfee;i="6700,10204,11439"; a="49848046" X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="49848046" 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: cr8XOTUAT+SPa6g60OZ7lw== X-CSE-MsgGUID: a4ZuTZ0RQCuFnKnQZwo38A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,302,1739865600"; d="scan'208";a="144514722" 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 , "David S . Miller" , sparclinux@vger.kernel.org Subject: [PATCH V4 14/16] sparc/perf: Remove driver-specific throttle support Date: Tue, 20 May 2025 11:16:42 -0700 Message-Id: <20250520181644.2673067-15-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. Signed-off-by: Kan Liang Cc: David S. Miller Cc: sparclinux@vger.kernel.org --- arch/sparc/kernel/perf_event.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index f02a283a8e8f..cae4d33002a5 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1668,8 +1668,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self, if (!sparc_perf_event_set_period(event, hwc, idx)) continue; - if (perf_event_overflow(event, &data, regs)) - sparc_pmu_stop(event, 0); + perf_event_overflow(event, &data, regs); } finish_clock = sched_clock(); -- 2.38.1