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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F1CBC433E6 for ; Wed, 27 Jan 2021 11:37:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C66C82075E for ; Wed, 27 Jan 2021 11:37:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236717AbhA0LhN (ORCPT ); Wed, 27 Jan 2021 06:37:13 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:11613 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236977AbhA0Le3 (ORCPT ); Wed, 27 Jan 2021 06:34:29 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4DQhK71R7Tz160LH; Wed, 27 Jan 2021 19:32:11 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.176.220) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Wed, 27 Jan 2021 19:33:14 +0800 From: Zhen Lei To: Will Deacon , Robin Murphy , "Mark Rutland" , Joerg Roedel , linux-arm-kernel , iommu , linux-kernel CC: Zhen Lei , Jean-Philippe Brucker , Shameer Kolothum Subject: [PATCH v3 2/3] perf/smmuv3: Add a MODULE_SOFTDEP() to indicate dependency on SMMU Date: Wed, 27 Jan 2021 19:32:57 +0800 Message-ID: <20210127113258.1421-3-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20210127113258.1421-1-thunder.leizhen@huawei.com> References: <20210127113258.1421-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.174.176.220] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The MODULE_SOFTDEP() gives user space a hint of the loading sequence. And when command "modprobe arm_smmuv3_pmu" is executed, the arm_smmu_v3.ko is automatically loaded in advance. Signed-off-by: Zhen Lei --- drivers/perf/arm_smmuv3_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index e5e505a0804fe53..9a305ac51208cd2 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -950,6 +950,7 @@ static void __exit arm_smmu_pmu_exit(void) module_exit(arm_smmu_pmu_exit); MODULE_DESCRIPTION("PMU driver for ARM SMMUv3 Performance Monitors Extension"); +MODULE_SOFTDEP("pre: arm_smmu_v3"); MODULE_AUTHOR("Neil Leeder "); MODULE_AUTHOR("Shameer Kolothum "); MODULE_LICENSE("GPL v2"); -- 1.8.3