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GET /api/patches/2195630/?format=api
{ "id": 2195630, "url": "http://patchwork.ozlabs.org/api/patches/2195630/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260211152508.732487-4-berrange@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260211152508.732487-4-berrange@redhat.com>", "list_archive_url": null, "date": "2026-02-11T15:24:44", "name": "[v6,03/27] include: define constant for early constructor priority", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b184b9e7b28301cc152aaa4096948ffeb4bff57a", "submitter": { "id": 2694, "url": "http://patchwork.ozlabs.org/api/people/2694/?format=api", "name": "Daniel P. Berrangé", "email": "berrange@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260211152508.732487-4-berrange@redhat.com/mbox/", "series": [ { "id": 491862, "url": "http://patchwork.ozlabs.org/api/series/491862/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491862", "date": "2026-02-11T15:24:41", "name": "util: sync error_report & qemu_log output more closely", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/491862/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195630/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195630/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=FlQ0oCV4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fB2MJ1tBhz1xtr\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 12 Feb 2026 02:26:04 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vqC6F-0004cD-QJ; Wed, 11 Feb 2026 10:25:55 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <berrange@redhat.com>)\n id 1vqC63-0004Xi-7w\n for qemu-devel@nongnu.org; Wed, 11 Feb 2026 10:25:45 -0500", "from us-smtp-delivery-124.mimecast.com ([170.10.133.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <berrange@redhat.com>)\n id 1vqC61-0005dt-Oj\n for qemu-devel@nongnu.org; Wed, 11 Feb 2026 10:25:42 -0500", "from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-74-FTCQmgAGPwSyASZ7_ncZEw-1; Wed,\n 11 Feb 2026 10:25:35 -0500", "from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id 97A8618003F5; Wed, 11 Feb 2026 15:25:33 +0000 (UTC)", "from toolbx.redhat.com (unknown [10.45.227.9])\n by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id 5E77430001A8; Wed, 11 Feb 2026 15:25:28 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1770823538;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=4nNBnkbdOoq/TO93m2/cqfU9S+qOIByL3MN/2Z5FSuM=;\n b=FlQ0oCV4qwMOQy6QHLArzNqVS91NamHNmLZmP9XUzV0hVO8DZ/xx6eGqIclyaOgStsxFoY\n 7wmigjEsi2DY5cGSRdAe/THvkOcvzshhNLrmZ7IZONcX4B5hyqzkrdWHl+rxwGjR6ZsSBZ\n LP9thSKb+0TABYNnRALE3Val6dzX2aw=", "X-MC-Unique": "FTCQmgAGPwSyASZ7_ncZEw-1", "X-Mimecast-MFC-AGG-ID": "FTCQmgAGPwSyASZ7_ncZEw_1770823533", "From": "=?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "Manos Pitsidianakis <manos.pitsidianakis@linaro.org>,\n Stefan Weil <sw@weilnetz.de>, \"Dr. David Alan Gilbert\" <dave@treblig.org>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>, devel@lists.libvirt.org,\n\t=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, =?utf-8?q?Marc?=\n\t=?utf-8?q?-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n Hanna Reitz <hreitz@redhat.com>, Kevin Wolf <kwolf@redhat.com>,\n qemu-block@nongnu.org, qemu-rust@nongnu.org,\n Paolo Bonzini <pbonzini@redhat.com>, Markus Armbruster <armbru@redhat.com>,\n Gerd Hoffmann <kraxel@redhat.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n Christian Schoenebeck <qemu_oss@crudebyte.com>,\n Richard Henderson <richard.henderson@linaro.org>", "Subject": "[PATCH v6 03/27] include: define constant for early constructor\n priority", "Date": "Wed, 11 Feb 2026 15:24:44 +0000", "Message-ID": "<20260211152508.732487-4-berrange@redhat.com>", "In-Reply-To": "<20260211152508.732487-1-berrange@redhat.com>", "References": "<20260211152508.732487-1-berrange@redhat.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "Received-SPF": "pass client-ip=170.10.133.124;\n envelope-from=berrange@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Functions marked with __attribute__((__constructor__)) will be\ninvoked in linker order. In theory this is well defined, but\nin practice, it is hard to determine what this order will be\nwith the layers of indirection through meson, ninja and the\nstatic libraries QEMU builds.\n\nNotably, the order currently appears different between Linux\nand Windows (as tested with Wine on Linux). This can cause\nproblems when certain QEMU constructors have a dependancy on\nother QEMU constructors.\n\nTo address this define a QEMU_CONSTRUCTOR_EARLY constant which\nprovides a priority value that will run before other default\nconstructors. This is to be used for QEMU constructors that\nare themselves self-contained, but may be relied upon by other\nconstructors.\n\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nReviewed-by: Dr. David Alan Gilbert <dave@treblig.org>\nSigned-off-by: Daniel P. Berrangé <berrange@redhat.com>\n---\n include/qemu/compiler.h | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h\nindex 1c2b673c05..4c49f52eb0 100644\n--- a/include/qemu/compiler.h\n+++ b/include/qemu/compiler.h\n@@ -194,6 +194,14 @@\n # define QEMU_USED\n #endif\n \n+/*\n+ * A priority for __attribute__((constructor(...))) that\n+ * will run earlier than the default constructors. Must\n+ * only be used for functions that have no dependency\n+ * on global initialization of other QEMU subsystems.\n+ */\n+#define QEMU_CONSTRUCTOR_EARLY 101\n+\n /*\n * Disable -ftrivial-auto-var-init on a local variable.\n *\n", "prefixes": [ "v6", "03/27" ] }