From patchwork Fri Mar 4 10:08:53 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: 12768904 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 A9582C433EF for ; Fri, 4 Mar 2022 10:11:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239556AbiCDKMY (ORCPT ); Fri, 4 Mar 2022 05:12:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239535AbiCDKMX (ORCPT ); Fri, 4 Mar 2022 05:12:23 -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 982121A9499 for ; Fri, 4 Mar 2022 02:11:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646388694; 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=XKvBT0IgzI7fojcpNLya1TNPvRgQkv3CgqP1MpKeJKE=; b=RJgOJe7cyJrza5iwbefo8flZu/Nb0PZnrODGhnMscfacNgwtczeKzZFi5tYRGBB/srQaGz ZzynjbEtF3AB/asEvA7hW9368qF7KS1AbCuzBFGj4+7EiIcX8vSlj2kDNc7roB+2Nmazo9 0O6CoZXbHvzqCuMWebKBzcCIbrbZ/Bs= 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-83-PtLhnYhaO_iY1Dc7Xj4OcA-1; Fri, 04 Mar 2022 05:11:31 -0500 X-MC-Unique: PtLhnYhaO_iY1Dc7Xj4OcA-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 7776C5234; Fri, 4 Mar 2022 10:11:29 +0000 (UTC) Received: from toolbox.redhat.com (unknown [10.33.36.250]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7916D842CA; Fri, 4 Mar 2022 10:11:12 +0000 (UTC) From: Sergio Lopez To: qemu-devel@nongnu.org Cc: Matthew Rosato , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , Fam Zheng , kvm@vger.kernel.org, Stefan Hajnoczi , David Hildenbrand , Thomas Huth , qemu-block@nongnu.org, "Michael S. Tsirkin" , qemu-s390x@nongnu.org, Alex Williamson , Christian Borntraeger , John G Johnson , Elena Ufimtseva , Kevin Wolf , Jagannathan Raman , vgoyal@redhat.com, Paolo Bonzini , Eric Farman , Halil Pasic , Cornelia Huck , Hanna Reitz , Sergio Lopez Subject: [PATCH v4 3/4] configure, meson: allow enabling vhost-user on all POSIX systems Date: Fri, 4 Mar 2022 11:08:53 +0100 Message-Id: <20220304100854.14829-4-slp@redhat.com> In-Reply-To: <20220304100854.14829-1-slp@redhat.com> References: <20220304100854.14829-1-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 Reviewed-by: Stefan Hajnoczi Reviewed-by: Thomas Huth --- 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