From patchwork Wed Nov 23 11:42:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emanuele Giuseppe Esposito X-Patchwork-Id: 13053531 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E855EC46467 for ; Wed, 23 Nov 2022 11:43:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oxo9H-0002cT-6r; Wed, 23 Nov 2022 06:42:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oxo9F-0002bP-RK for qemu-devel@nongnu.org; Wed, 23 Nov 2022 06:42:37 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oxo9D-00060H-9T for qemu-devel@nongnu.org; Wed, 23 Nov 2022 06:42:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669203754; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+82cBlNV+3lriRI4Ef6kEA7/U6YlDWy6VmChSSkAUI4=; b=d8QDXX4LKz1UEUBTw99ZYRf5QbMymRk0EAZjJ5nd8VO56zxMHVkDLlN71fG+vDLgaP7q2F +tJuLsrYxXhsTfeLfcABQCFxTGCd57iK/1KxmkwIbhdGAKz29jPxhZSLdwLtX2LYRHF0Sj GU3woxuDx5NbhMjyWzwGwFtL+n9xee8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-393-bQ0jyijTPESJ27TP8-yb-A-1; Wed, 23 Nov 2022 06:42:33 -0500 X-MC-Unique: bQ0jyijTPESJ27TP8-yb-A-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CECFE101A528; Wed, 23 Nov 2022 11:42:32 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 78672C2C8CA; Wed, 23 Nov 2022 11:42:32 +0000 (UTC) From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Cc: Kevin Wolf , Hanna Reitz , John Snow , Vladimir Sementsov-Ogievskiy , Eric Blake , Fam Zheng , Stefan Hajnoczi , "Denis V. Lunev" , Stefan Weil , Jeff Cody , Cleber Rosa , qemu-devel@nongnu.org, Emanuele Giuseppe Esposito Subject: [PATCH v5 07/15] block: introduce QEMU_IN_COROUTINE macro Date: Wed, 23 Nov 2022 06:42:19 -0500 Message-Id: <20221123114227.85757-8-eesposit@redhat.com> In-Reply-To: <20221123114227.85757-1-eesposit@redhat.com> References: <20221123114227.85757-1-eesposit@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eesposit@redhat.com; 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This macro will be used to mark all coroutine_fn functions. Right now, it will be used for the newly introduced coroutine_fn, since we know the callers. As a TODO, in the future we might want to add this macro to all corotuine_fn functions, to be sure that they are only called in coroutines context. Signed-off-by: Emanuele Giuseppe Esposito --- include/block/block-common.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/block/block-common.h b/include/block/block-common.h index 297704c1e9..24de1d63fd 100644 --- a/include/block/block-common.h +++ b/include/block/block-common.h @@ -34,6 +34,17 @@ #include "qemu/hbitmap.h" #include "qemu/transactions.h" +/* + * QEMU_IN_COROUTINE + * + * To be used in all coroutine_fn functions, to make sure that the caller + * is always a coroutine. + */ +#define QEMU_IN_COROUTINE() \ + do { \ + assert(qemu_in_coroutine()); \ + } while (0) + /* * generated_co_wrapper *