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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 E72F1C433DB for ; Wed, 27 Jan 2021 11:35:55 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8D7C12075B for ; Wed, 27 Jan 2021 11:35:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D7C12075B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=u4HqqVi6VWpdBKZbX+tnfBrrPK7eB+c2Zm5uRuoeh2E=; b=KXdMJvJhnOmGbDVX38AnXWFEY fUfhKxE4QUb4rGXlAPHA07Dcyf8qGvdPdStJgvm+IAidqNd4kw4qi0B9KmeRbwhdT4+jogNPxma2k grrDJp64w2r1cZAGiqH/hMHSlmEsnmY6g8zrOAgg7ntK+GX+sHWXDF/hOmEH4LOUSU+g61IqkKz9e TpATkZsyXnf9Y6gIJdVdlQWpOpDvsCRGpyvfEOBNZhGQ+uPxAZKnuw4XaSPu88HHKEeA99VO2BXal OLSP86uXy4qHwQkZ7zIDoEhQ+Xl8zGSfBPy7J2AXkh7MnppA4TuZ3ppTDxMF00fF5/9yJoItr+gcP I36Z68l+Q==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l4j5H-0000Zy-Ft; Wed, 27 Jan 2021 11:34:03 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l4j4n-0000Lk-NY for linux-arm-kernel@lists.infradead.org; Wed, 27 Jan 2021 11:33:36 +0000 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 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 X-Originating-IP: [10.174.176.220] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210127_063334_731563_BBF46F73 X-CRM114-Status: UNSURE ( 9.46 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jean-Philippe Brucker , Shameer Kolothum , Zhen Lei Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel