From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C230130C366 for ; Tue, 27 Jan 2026 11:17:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769512659; cv=none; b=DV+pVS15hOXIwJk4RXdutaIVdRUpLegbCozw8LkwBCR+mQ/nw4m9Wr7ikXYEaVsM37s5isJIa0gEjYomC8RBvNRcuGvALiwkwuq1LXpB4kFyG9IkmdcHUVSYyQTxqSazhB7an7x7unrp8L5JRpXM8LWonwFCTD12HdzMrsN99PA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769512659; c=relaxed/simple; bh=F7qUAxjxHiziwsYsZS48VwCHNig9BbM/YJ7Dq6D7M/M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dPZ3a34Fj7R/SKW4tNfAAR89O7sueu49I1CqsX9V9yM1SJc4bNCofctfGYnK3Fwa7zxKgv/wy9DlPhUrgP8eACVdQ4+27JIwXCkQMKT1c8KTMJ35gPVkBDvQmBwZHDSZK7xQZse5KxLrvDzO/fdNcb2rQfQBU0TOoHat337akQE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=duhR2kaH; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="duhR2kaH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769512656; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nOjAJfProoCB2ZNiIiBQqNee8INRqMIJyl6k7o/1Yck=; b=duhR2kaHIbQsj9nhin1VdTvrwZjMSy/mbe5xj0dT4AzzjQerewdzYQzOp8EhhIzx31u83p /vET8rFAmZNTXU2sWDLNE14QENpEcezNQ498aK+n0pJpIS4iyd7XZwUHHp8/KCUrFn/0qS ml/ATPn2PiE6uxdGzER2CGid4+OEbeY= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-124-OKvb0TYSNTCqXyALnCoBFA-1; Tue, 27 Jan 2026 06:17:33 -0500 X-MC-Unique: OKvb0TYSNTCqXyALnCoBFA-1 X-Mimecast-MFC-AGG-ID: OKvb0TYSNTCqXyALnCoBFA_1769512652 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BBE8A1955D84; Tue, 27 Jan 2026 11:17:31 +0000 (UTC) Received: from redhat.com (unknown [10.45.225.149]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C8FCE180009E; Tue, 27 Jan 2026 11:17:25 +0000 (UTC) Date: Tue, 27 Jan 2026 12:17:23 +0100 From: Kevin Wolf To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Cc: Fabiano Rosas , Markus Armbruster , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Stefan Hajnoczi , qemu-devel , kvm , Helge Deller , Oliver Steffen , Stefano Garzarella , Matias Ezequiel Vara Larsen , German Maglione , Hanna Reitz , Paolo Bonzini , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Thomas Huth , Mark Cave-Ayland , Alex Bennee , Pierrick Bouvier Subject: Re: Modern HMP Message-ID: References: <871pjigf6z.fsf_-_@pond.sub.org> <87ikctg8a8.fsf@pond.sub.org> <87ikctk5ss.fsf@suse.de> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Am 22.01.2026 um 17:00 hat Daniel P. Berrangé geschrieben: > > Does the new program becomes basically an external project unrelated to > > QEMU, that simply talks to QMP like libvirt does? > > It could be a separate project under QEMU on github, or it could just be > binary in qemu.git. What matters is that it is out of the main QEMU process > eventually. I think the basic requirement for any HMP replacement is that it just works, i.e. no manual setting up of sockets etc. like for qmp-shell. If it's an external process, QEMU should just launch it automatically, and the user interface should still go through the usual chardevs so that the current backends still work and the default of '-monitor vc' can be retained. (Of course, once this plumbing has been done, it could be reused for qmp-shell to provide a nicer and more integrated option there, too.) This pretty much means that it has to be in the same project, or at least a subproject that is automatically downloaded when building QEMU. Kevin