From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57090) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dKeyx-000192-Qg for qemu-devel@nongnu.org; Tue, 13 Jun 2017 02:07:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dKeyu-0002hw-Gs for qemu-devel@nongnu.org; Tue, 13 Jun 2017 02:07:15 -0400 Received: from mga11.intel.com ([192.55.52.93]:21343) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dKeyu-0002hN-8R for qemu-devel@nongnu.org; Tue, 13 Jun 2017 02:07:12 -0400 Message-ID: <1497334024.13717.8.camel@linux.intel.com> From: Chao Peng Date: Tue, 13 Jun 2017 14:07:04 +0800 In-Reply-To: <20170524150753.GB23327@stefanha-x1.localdomain> References: <20170524150753.GB23327@stefanha-x1.localdomain> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] Status of q35-lite? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: "Michael S. Tsirkin" , qemu-devel@nongnu.org, rjones@redhat.com, Paolo Bonzini On Wed, 2017-05-24 at 16:07 +0100, Stefan Hajnoczi wrote: > Hi Chao, > Last year there was an effort to make "built-in" hardware optional so > that VMs can be launched with a minimal set of devices.  You made > SATA, > PIT, and SMBus optional. > > What is the current status of this work? > > Are there more devices that could benefit from an optional switch? Hi Stefan, in terms of making device optional, we don't have more follow-ups basically because other build-in devices do not have significant performance impact. For other optimizations (like optimizing/skipping BIOS), we are still working on them. Chao > > For reference, here is the discussion that kicked of the effort to > make > some core devices optional: > "[RFC 0/9] Introduce light weight PC platform pc-lite" > https://lists.nongnu.org/archive/html/qemu-devel/2016-06/msg04842.html > > Stefan