From patchwork Thu Mar 3 11:59:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergio Lopez Pascual X-Patchwork-Id: 12767389 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F464C433F5 for ; Thu, 3 Mar 2022 12:00:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232903AbiCCMBO (ORCPT ); Thu, 3 Mar 2022 07:01:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232691AbiCCMBJ (ORCPT ); Thu, 3 Mar 2022 07:01:09 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6A03316FDE9 for ; Thu, 3 Mar 2022 04:00:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646308823; 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=GU2PkYv/oO0WBN6akEtPQqLOjiJQ79hZYXxHxM/rB9g=; b=Z3vDCWnv18peahKMKJz4D7qb+Yazko2rBabvod6L2EzDE9FuwiYyMaoxdQswnWl0RQEK6g UpjyfAFC+MZ3xa9MqAQFcEvU1oDe+XBSrWqJLxHvv4UN3CwErfXyfve5d9MuNhwT/XgQwA yh48wGFGgqdNjSGdvYfL+pJRyiGvUIU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-601-ws9u5eVDPgS5WbHEubGu6g-1; Thu, 03 Mar 2022 07:00:19 -0500 X-MC-Unique: ws9u5eVDPgS5WbHEubGu6g-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C917F824FA6; Thu, 3 Mar 2022 12:00:17 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.33.37.20]) by smtp.corp.redhat.com (Postfix) with ESMTP id 00CBE842CC; Thu, 3 Mar 2022 12:00:12 +0000 (UTC) From: Sergio Lopez To: qemu-devel@nongnu.org Cc: Christian Borntraeger , Alex Williamson , Cornelia Huck , Thomas Huth , Paolo Bonzini , Stefan Hajnoczi , "Michael S. Tsirkin" , David Hildenbrand , Elena Ufimtseva , kvm@vger.kernel.org, Halil Pasic , Fam Zheng , John G Johnson , Richard Henderson , Matthew Rosato , Hanna Reitz , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-s390x@nongnu.org, vgoyal@redhat.com, Jagannathan Raman , Kevin Wolf , qemu-block@nongnu.org, Eric Farman , Sergio Lopez Subject: [PATCH v3 3/4] configure, meson: allow enabling vhost-user on all POSIX systems Date: Thu, 3 Mar 2022 12:59:10 +0100 Message-Id: <20220303115911.20962-4-slp@redhat.com> In-Reply-To: <20220303115911.20962-1-slp@redhat.com> References: <20220303115911.20962-1-slp@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org With the possibility of using a pipe pair via qemu_pipe() as a replacement on operating systems that doesn't support eventfd, vhost-user can also work on all POSIX systems. This change allows enabling vhost-user on all non-Windows platforms and makes libvhost_user (which still depends on eventfd) a linux-only feature. Signed-off-by: Sergio Lopez --- configure | 4 ++-- meson.build | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/configure b/configure index c56ed53ee3..daccf4be7c 100755 --- a/configure +++ b/configure @@ -1659,8 +1659,8 @@ fi # vhost interdependencies and host support # vhost backends -if test "$vhost_user" = "yes" && test "$linux" != "yes"; then - error_exit "vhost-user is only available on Linux" +if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then + error_exit "vhost-user is not available on Windows" fi test "$vhost_vdpa" = "" && vhost_vdpa=$linux if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then diff --git a/meson.build b/meson.build index 8df40bfac4..f2bc439c30 100644 --- a/meson.build +++ b/meson.build @@ -2701,7 +2701,7 @@ if have_system or have_user endif vhost_user = not_found -if 'CONFIG_VHOST_USER' in config_host +if targetos == 'linux' and 'CONFIG_VHOST_USER' in config_host libvhost_user = subproject('libvhost-user') vhost_user = libvhost_user.get_variable('vhost_user_dep') endif