From patchwork Fri Jun 18 04:53:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12330173 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E0801C48BDF for ; Fri, 18 Jun 2021 05:07:09 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 747EB6113C for ; Fri, 18 Jun 2021 05:07:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 747EB6113C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:48778 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lu6ii-0008Cp-Fk for qemu-devel@archiver.kernel.org; Fri, 18 Jun 2021 01:07:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35646) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lu6XX-0005Up-72 for qemu-devel@nongnu.org; Fri, 18 Jun 2021 00:55:38 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:45717) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lu6XS-0004Py-LR for qemu-devel@nongnu.org; Fri, 18 Jun 2021 00:55:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623992130; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xH0dp4DcfpAQE2IObwwnlokSnePzDh3PxGejKR+OKCg=; b=X0eOUMMeKoTpY6Mn9kubXfNQL/YWzd8OCUjQMzW+PCUm2JHYOKPmPxKWVjmfQgv7DLEY/b Rn9I+6tMWzTfEUlDVtnTROl1GGnBYZO4vkQ+wj3eeVjxK5dSIUGUiIzSdhLTJtkz6B9T/B 9cj1KaXuF4r4NG1Jk/lBfxcKHAuaH4c= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-394-htnwATD3NkGR_duJMazxDg-1; Fri, 18 Jun 2021 00:55:25 -0400 X-MC-Unique: htnwATD3NkGR_duJMazxDg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 64C881922964; Fri, 18 Jun 2021 04:55:24 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-38.ams2.redhat.com [10.36.112.38]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AB0EE1001B2C; Fri, 18 Jun 2021 04:55:10 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id AB6E71803547; Fri, 18 Jun 2021 06:53:54 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH v3 13/24] modules: use modinfo for dependencies Date: Fri, 18 Jun 2021 06:53:42 +0200 Message-Id: <20210618045353.2510174-14-kraxel@redhat.com> In-Reply-To: <20210618045353.2510174-1-kraxel@redhat.com> References: <20210618045353.2510174-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.197, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Kevin Wolf , Thomas Huth , Cornelia Huck , Eduardo Habkost , qemu-block@nongnu.org, David Hildenbrand , Peter Lieven , "Michael S. Tsirkin" , Richard Henderson , Max Reitz , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, Paolo Bonzini , Gerd Hoffmann , Ronnie Sahlberg , Cleber Rosa , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Samuel Thibault Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Use module database for module dependencies. Drop hard-coded dependency list. Signed-off-by: Gerd Hoffmann Reviewed-by: Paolo Bonzini --- util/module.c | 55 ++++++++++++++++++++------------------------------- 1 file changed, 21 insertions(+), 34 deletions(-) diff --git a/util/module.c b/util/module.c index 8d3e8275b9f7..7d7b69cbdaca 100644 --- a/util/module.c +++ b/util/module.c @@ -182,28 +182,6 @@ static int module_load_file(const char *fname, bool mayfail, bool export_symbols out: return ret; } - -static const struct { - const char *name; - const char *dep; -} module_deps[] = { - { "audio-spice", "ui-spice-core" }, - { "chardev-spice", "ui-spice-core" }, - { "hw-display-qxl", "ui-spice-core" }, - { "ui-spice-app", "ui-spice-core" }, - { "ui-spice-app", "chardev-spice" }, - - { "hw-display-virtio-gpu-gl", "hw-display-virtio-gpu" }, - { "hw-display-virtio-gpu-pci-gl", "hw-display-virtio-gpu-pci" }, - { "hw-display-virtio-vga-gl", "hw-display-virtio-vga" }, - -#ifdef CONFIG_OPENGL - { "ui-egl-headless", "ui-opengl" }, - { "ui-gtk", "ui-opengl" }, - { "ui-sdl", "ui-opengl" }, - { "ui-spice-core", "ui-opengl" }, -#endif -}; #endif bool module_load_one(const char *prefix, const char *lib_name, bool mayfail) @@ -219,9 +197,11 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail) char *dirs[5]; char *module_name; int i = 0, n_dirs = 0; - int ret, dep; + int ret; bool export_symbols = false; static GHashTable *loaded_modules; + const QemuModinfo *modinfo; + const char **sl; if (!g_module_supported()) { fprintf(stderr, "Module is not supported by system.\n"); @@ -234,23 +214,30 @@ bool module_load_one(const char *prefix, const char *lib_name, bool mayfail) module_name = g_strdup_printf("%s%s", prefix, lib_name); - for (dep = 0; dep < ARRAY_SIZE(module_deps); dep++) { - if (strcmp(module_name, module_deps[dep].name) == 0) { - /* we depend on another module */ - module_load_one("", module_deps[dep].dep, false); - } - if (strcmp(module_name, module_deps[dep].dep) == 0) { - /* another module depends on us */ - export_symbols = true; - } - } - if (g_hash_table_contains(loaded_modules, module_name)) { g_free(module_name); return true; } g_hash_table_add(loaded_modules, module_name); + for (modinfo = module_info; modinfo->name != NULL; modinfo++) { + if (modinfo->deps) { + if (strcmp(modinfo->name, module_name) == 0) { + /* we depend on other module(s) */ + for (sl = modinfo->deps; *sl != NULL; sl++) { + module_load_one("", *sl, false); + } + } else { + for (sl = modinfo->deps; *sl != NULL; sl++) { + if (strcmp(module_name, *sl) == 0) { + /* another module depends on us */ + export_symbols = true; + } + } + } + } + } + search_dir = getenv("QEMU_MODULE_DIR"); if (search_dir != NULL) { dirs[n_dirs++] = g_strdup_printf("%s", search_dir);