From mboxrd@z Thu Jan 1 00:00:00 1970 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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 470D8C433E6 for ; Tue, 9 Mar 2021 10:37:14 +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 D352A65267 for ; Tue, 9 Mar 2021 10:37:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D352A65267 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]:49206 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJZjl-0006Op-0o for qemu-devel@archiver.kernel.org; Tue, 09 Mar 2021 05:37:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49176) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJZcy-0007Ld-BB for qemu-devel@nongnu.org; Tue, 09 Mar 2021 05:30:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25809) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lJZcv-0006h7-1J for qemu-devel@nongnu.org; Tue, 09 Mar 2021 05:30:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615285808; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references; bh=/a++lZvJiJQlnPZ+twVQxrgt/PblCVW/vMMHNnUng1w=; b=ihCRishhsXirlZ2/W+0A1b/iydJQ5lGEWpPcFR/qOaQYJWCHPjc8W6Wv9y9PyEuDxbQN0o Wx7A+EjqUNWejTfNZVbeXNxI/pIaZHjh69fuoB7vnxx//mkj7kiX7wE2kA6c84VVyRLaW0 Jpg4D+KBEyytsD5c3mi9gECqcKMZFME= 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-503-4yxf5B8EMimoQQXDlZh9dQ-1; Tue, 09 Mar 2021 05:30:06 -0500 X-MC-Unique: 4yxf5B8EMimoQQXDlZh9dQ-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 6325983DD20; Tue, 9 Mar 2021 10:30:05 +0000 (UTC) Received: from redhat.com (ovpn-114-154.ams2.redhat.com [10.36.114.154]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7F06710013C1; Tue, 9 Mar 2021 10:29:59 +0000 (UTC) Date: Tue, 9 Mar 2021 10:29:56 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Paolo Bonzini Subject: Re: [PATCH] coroutine: add libucontext as external library Message-ID: References: <20210309032637.41778-1-j@getutm.app> <537a6a0e-431b-3920-c8dc-290e4e3d8895@redhat.com> MIME-Version: 1.0 In-Reply-To: <537a6a0e-431b-3920-c8dc-290e4e3d8895@redhat.com> User-Agent: Mutt/2.0.5 (2021-01-21) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=berrange@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=-0.251, 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_H3=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Kevin Wolf , Peter Maydell , Joelle van Dyne , Stefan Hajnoczi , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Mar 09, 2021 at 11:24:08AM +0100, Paolo Bonzini wrote: > On 09/03/21 10:59, Joelle van Dyne wrote: > > Does it make a difference if this is provided as an option and not as > > a replacement? Would it make sense to add some warning at configure > > time? Right now none of the concurrency backends are supported on iOS > > and it's possible support will go away on macOS as well in the future. > > QEMU would not be able to run at all. > > The alternative is to use a handwritten backend, it would be necessary > anyway for CET support. > > You can find the patches at > https://patchew.org/QEMU/20190504120528.6389-1-pbonzini@redhat.com/ It sure would be nice if someone could take the QEMU coroutine impls and spin them out into a "libcoroutine" for reuse. We use coroutines across QEMU, SPICE-GTK, GTK-VNC and all have different featureset and QEMU's seems the best in general, especially as you start adding the CET stuff. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|