From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53810) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhIxX-0006lP-V3 for qemu-devel@nongnu.org; Tue, 06 Sep 2016 12:10:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bhIxU-0006yo-JH for qemu-devel@nongnu.org; Tue, 06 Sep 2016 12:10:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56870) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhIxU-0006yg-De for qemu-devel@nongnu.org; Tue, 06 Sep 2016 12:10:48 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AE2F781229 for ; Tue, 6 Sep 2016 16:10:47 +0000 (UTC) Date: Tue, 6 Sep 2016 19:10:44 +0300 From: "Michael S. Tsirkin" Message-ID: <20160906190051-mutt-send-email-mst@kernel.org> References: <1473173750-11761-1-git-send-email-marcel@redhat.com> <5362df9c-00f8-adab-ecd2-481a33e84687@redhat.com> <20160906184921-mutt-send-email-mst@kernel.org> <1f978854-c184-87fe-6118-a99ce21d564b@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1f978854-c184-87fe-6118-a99ce21d564b@redhat.com> Subject: Re: [Qemu-devel] [PATCH] tests/acpi: speedup acpi tests List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Marcel Apfelbaum , qemu-devel@nongnu.org, imammedo@redhat.com On Tue, Sep 06, 2016 at 05:54:14PM +0200, Paolo Bonzini wrote: > > > On 06/09/2016 17:51, Michael S. Tsirkin wrote: > > On Tue, Sep 06, 2016 at 05:47:06PM +0200, Paolo Bonzini wrote: > >> > >> > >> On 06/09/2016 16:55, Marcel Apfelbaum wrote: > >>> Use kvm acceleration if available. > >>> > >>> Signed-off-by: Marcel Apfelbaum > >>> --- > >>> > >>> Hi, > >>> > >>> It saves a few seconds so we'll be able to add more tests. > >>> I cc-ed Paolo to get his opinion on the correct way to look > >>> for the kvm support. > >> > >> Just use "-machine accel=kvm:tcg" and let QEMU do the hard work. :) > >> > >> Paolo > > > > Sounds good, but we really need to skip it when gsi > > capability is not there (and when using kernel irqchip) > > (because in that case we can't override apic irq0). > > Should it just use -machine kernel_irqchip=false? > > Paolo Well that's not optimal, but still better than tcg I guess. Does it slow us a lot? -- MST