From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DA34C10F13 for ; Mon, 11 Dec 2023 13:57:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343794AbjLKN5X (ORCPT ); Mon, 11 Dec 2023 08:57:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343893AbjLKN4Z (ORCPT ); Mon, 11 Dec 2023 08:56:25 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31CF6D64 for ; Mon, 11 Dec 2023 05:55:02 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3689C433C8; Mon, 11 Dec 2023 13:55:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702302901; bh=Ja4ysBk+qOJJjbCUYxecDH7RVIe4PJVDRV25A70QhEw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ezvVzsfuETHF+5WmhkWpJfpwNLxx2Pdzi5BPtt5z8P/21vIHJGUv+DX2a62awrtdO Bmen1xi/CSRBLUr8IyNOqLoiPypeIBCfU9v1ymM3H9FlWWtbtG8CIsX5CHN57Rp4QT xnQpVa52uhbreVB1BRmJ6soBuHxxkvK/16gfzpw+IpOQ5Sx8r6K460q5dwEf95OsWT gkCfJHG75IY4+5JhxAye+luBcArCnU5H0pSUWuHid6i1HBVBTO/Wr+9QT4xYEUgw5f lRQQ2KCfAk9v3X8XhhEtN2BV0zuHx+ia+RyYFz7DwrEfHj+7U1d2zr+sjMDE5nRS7t qgPxc1e8d0lzw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yicong Yang , Jonathan Cameron , Suzuki K Poulose , Sasha Levin , jonathan.cameron@huawei.com, alexander.shishkin@linux.intel.com Subject: [PATCH AUTOSEL 6.1 02/29] hwtracing: hisi_ptt: Don't try to attach a task Date: Mon, 11 Dec 2023 08:53:46 -0500 Message-ID: <20231211135457.381397-2-sashal@kernel.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231211135457.381397-1-sashal@kernel.org> References: <20231211135457.381397-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.66 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yicong Yang [ Upstream commit aff787f64ad7cbb54614b51b82c682fe06411ef3 ] PTT is an uncore PMU and shouldn't be attached to any task. Block the usage in pmu::event_init(). Signed-off-by: Yicong Yang Acked-by: Jonathan Cameron Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20231010084731.30450-5-yangyicong@huawei.com Signed-off-by: Sasha Levin --- drivers/hwtracing/ptt/hisi_ptt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c index 75a8f24fdafee..0a7190f2ba01d 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -659,6 +659,9 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event) return -EOPNOTSUPP; } + if (event->attach_state & PERF_ATTACH_TASK) + return -EOPNOTSUPP; + if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type) return -ENOENT; -- 2.42.0