From nobody Sun Sep 14 20:23:20 2025 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 05CA7C38142 for ; Thu, 19 Jan 2023 10:05:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230289AbjASKFW (ORCPT ); Thu, 19 Jan 2023 05:05:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230337AbjASKE3 (ORCPT ); Thu, 19 Jan 2023 05:04:29 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4085271798 for ; Thu, 19 Jan 2023 02:03:31 -0800 (PST) Received: from dggpeml500002.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NyJ3s52m1zqVcV; Thu, 19 Jan 2023 17:58:33 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggpeml500002.china.huawei.com (7.185.36.158) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 19 Jan 2023 18:03:28 +0800 From: Junhao He To: , , , CC: , , , , , , , , , Subject: [PATCH 1/3] drivers/perf: hisi: Advertise the PERF_PMU_CAP_NO_EXCLUDE capability Date: Thu, 19 Jan 2023 18:03:05 +0800 Message-ID: <20230119100307.3660-2-hejunhao3@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230119100307.3660-1-hejunhao3@huawei.com> References: <20230119100307.3660-1-hejunhao3@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpeml500002.china.huawei.com (7.185.36.158) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Missed initialization the variable of pmu::capabilities when extract the initialization code of hisi_pmu->pmu into a function. HISI UNCORE PMU drivers counters that not support context exclusion. So we have to advertise the PERF_PMU_CAP_NO_EXCLUDE capability. This ensures that perf will prevent us from handling events where any exclusion flags are set. Signed-off-by: Junhao He --- drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisili= con/hisi_uncore_pmu.c index fbc8a93d5eac..2a466477920b 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c @@ -546,6 +546,7 @@ void hisi_pmu_init(struct pmu *pmu, const char *name, pmu->stop =3D hisi_uncore_pmu_stop; pmu->read =3D hisi_uncore_pmu_read; pmu->attr_groups =3D attr_groups; + pmu->capabilities =3D PERF_PMU_CAP_NO_EXCLUDE; } EXPORT_SYMBOL_GPL(hisi_pmu_init); =20 --=20 2.33.0