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 70C2DC10DC3 for ; Mon, 11 Dec 2023 13:51:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343717AbjLKNvt (ORCPT ); Mon, 11 Dec 2023 08:51:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343695AbjLKNvr (ORCPT ); Mon, 11 Dec 2023 08:51:47 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34F57E9 for ; Mon, 11 Dec 2023 05:51:53 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08C94C433C7; Mon, 11 Dec 2023 13:51:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702302712; bh=I+x4HFJYzeuO9JjMfAaQwpqHyc8BqsF1rrF2PgjyQB8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TiDVKv6GYETYFrTuxZwfibwaZubXxVjxUCO9KWFUyLeYGn+Z+VQgfI8FRphgJCjyX PY3STbdCxKIdVmyki/raEcAJupxViRhTh9gpIZAHHclZ2qX22JJsEqAgaLj0p2vLFy /491CTENZ5RTdJI+s9e0QDTysoVU7b089Yz3mi6+e26yDBe5dxEwkP/4B6FvVY6icD BH0u7H8JsyyJ2uj8qeV/4eTqKa4V36MczeU6jSO8Q6yhHKabAVT9wG6+MUVrhNZ4OZ eXQ+9PQsH2rVC2W+JZxZ01z4r0aGBMTSZ4BcPgQofnxu/3f39gM0e5IbE+BRYTuMaq JypN4TbBmREJA== 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 6.6 02/47] hwtracing: hisi_ptt: Don't try to attach a task Date: Mon, 11 Dec 2023 08:50:03 -0500 Message-ID: <20231211135147.380223-2-sashal@kernel.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231211135147.380223-1-sashal@kernel.org> References: <20231211135147.380223-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.5 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 7d2127d86c728..1d066ce8358f0 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -1000,6 +1000,9 @@ 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