From patchwork Thu Jan 19 10:03:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Junhao He X-Patchwork-Id: 13107660 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A1CDC004D4 for ; Thu, 19 Jan 2023 10:04:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OgDaI+yv4Z9wV0/1ewyywUmQfvBi1HpiMCdKEs+5RYM=; b=lLUPrinT19yLQY KPaEIkfb1G7g5bQbUAtF6qQcCEk3dT/N6/EHQ7R7e5DdR7arChEcp/FEK6BcMTiNDQY1J8fzysiJR vTjkZiPvI4hn1UuvNUYvpyB2FYAMDD51Wu31m1QpUWAhjSE5n5FDw/9bcsDKRVaelaoz0rGmJvhMM WfPjsub/R9ARvzB+5mwA8+yMwntDjs6XGBCbPWzR53cXx5PXSUXsIW4nl10eRDeJ5Yx3o0oZEp+rl AIIxSdF4HICt7e/tTi/f2obDsKZwnMljVYw7Xr8ghrH3PjbR6JwjYlBJsxYZEHO80EMs0xEJgtGgA TPZBoOiEJ4wYhrSjxNzQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pIRlu-004LpD-W3; Thu, 19 Jan 2023 10:03:51 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pIRlk-004Lie-6X for linux-arm-kernel@lists.infradead.org; Thu, 19 Jan 2023 10:03:41 +0000 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230119_020340_480540_2D2FEECB X-CRM114-Status: UNSURE ( 9.20 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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/hisilicon/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 = hisi_uncore_pmu_stop; pmu->read = hisi_uncore_pmu_read; pmu->attr_groups = attr_groups; + pmu->capabilities = PERF_PMU_CAP_NO_EXCLUDE; } EXPORT_SYMBOL_GPL(hisi_pmu_init);