From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50220) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVJJ8-0008Gx-4S for qemu-devel@nongnu.org; Tue, 19 Jun 2018 12:16:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fVJJ7-0000pL-8W for qemu-devel@nongnu.org; Tue, 19 Jun 2018 12:16:38 -0400 References: <1528866321-23886-1-git-send-email-thuth@redhat.com> <1528866321-23886-5-git-send-email-thuth@redhat.com> <20180613133840.GK24528@stefanha-x1.localdomain> <20180613134452.GU19901@redhat.com> <20180613151942.GC19901@redhat.com> <87k1r24quk.fsf@dusky.pond.sub.org> <20180619171539.0adc90d6.cohuck@redhat.com> From: Paolo Bonzini Message-ID: Date: Tue, 19 Jun 2018 18:16:33 +0200 MIME-Version: 1.0 In-Reply-To: <20180619171539.0adc90d6.cohuck@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cornelia Huck , Markus Armbruster Cc: "=?UTF-8?Q?Daniel_P._Berrang=c3=a9?=" , Thomas Huth , zhang.zhanghailiang@huawei.com, Ben Warren , qemu-trivial@nongnu.org, qemu-devel@nongnu.org, Stefan Hajnoczi , Eduardo Habkost On 19/06/2018 17:15, Cornelia Huck wrote: >> Why does a user have to know how to enable KVM? Oh, because our default >> is "run this guest much slower than necessary". Great! > Should we try again to default to a better accelerator, if possible? I > don't quite recall why we didn't do so the last time that came up... > was it tests? My plan was to create qemu-{kvm,hax,hvf,whpx} binaries that default to a better accelerator, and leave qemu-system-* as defaulting to TCG. This matches what distributions already do. Paolo