From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: KVM usability Date: Tue, 09 Mar 2010 08:50:21 -0600 Message-ID: <4B96602D.8050604@codemonkey.ws> References: <1267068445.1726.25.camel@localhost> <1267089644.12790.74.camel@laptop> <1267152599.1726.76.camel@localhost> <20100226090147.GH15885@elte.hu> <4B879A2F.50203@redhat.com> <20100226103545.GA7463@elte.hu> <4B87A6BF.3090301@redhat.com> <20100226111734.GE7463@elte.hu> <4B8813F2.8090208@redhat.com> <20100227105643.GA17425@elte.hu> <4B8C38B8.8010007@codemonkey.ws> <62EE499D-BE5D-4014-80C7-6FB3A0A1C71E@suse.de> <4B8C799A.6000102@codemonkey.ws> <4B964DD0.4090100@redhat.com> <1268145178.2251.12.camel@x200> <6CF4AA9A-5C83-42C2-80BF-AEEFE68A99B6@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kirkland@canonical.com, Avi Kivity , Ingo Molnar , "Zhang, Yanmin" , Peter Zijlstra , ming.m.lin@intel.com, sheng.yang@intel.com, Jes Sorensen , KVM General , Zachary Amsden , Gleb Natapov , Arnaldo Carvalho de Melo , Fr??d??ric Weisbecker , Thomas Gleixner , "H. Peter Anvin" , Peter Zijlstra , Arjan van de Ven To: Alexander Graf Return-path: Received: from ey-out-2122.google.com ([74.125.78.26]:60562 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754051Ab0CIOua (ORCPT ); Tue, 9 Mar 2010 09:50:30 -0500 Received: by ey-out-2122.google.com with SMTP id 25so955045eya.19 for ; Tue, 09 Mar 2010 06:50:29 -0800 (PST) In-Reply-To: <6CF4AA9A-5C83-42C2-80BF-AEEFE68A99B6@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: On 03/09/2010 08:38 AM, Alexander Graf wrote: > On 09.03.2010, at 15:32, Dustin Kirkland wrote: > > >> On Tue, 2010-03-09 at 15:32 +0200, Avi Kivity wrote: >> >>> On 03/02/2010 04:36 AM, Anthony Liguori wrote: >>> >>>>> I keep a patch in the SUSE version for quite some time now that bumps >>>>> the default to 384 for qemu-kvm. That was the first "round" number >>>>> where an openSUSE installation worked. >>>>> >>>> If someone works up a patch and tests at least a couple types of >>>> guests to confirm that they all install with that number, I'd be happy >>>> to apply it (although we need some trickery to support older pc >>>> versions). >>>> >>> We should avoid changing defaults. I don't think in this case it >>> matters, since everyone specifies -m anyway, but as a general rule >>> changing defaults = breakage for the unwary. At least make the default >>> part of the machine type to preserve compatibility. >>> >> In that case, Alex, where can I find your +384M patch, because I'd like >> to carry the same one in Ubuntu... >> > It's all in the openSUSE build service. The direct access URL (login required FWIW) is here: > > https://build.opensuse.org/package/view_file?file=kvm-qemu-default-memsize.patch&package=kvm&project=Virtualization > > It merely changes DEFAULT_RAM_SIZE in vl.c from 128 to 384 for the "kvm" package. > We should attempt to do three things with default ram size: 1) bump it up to a more reasonable number 2) make it specified in the global default config 3) make sure we can provide compatibility support for older machine types > Alex > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >