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From: George Dunlap <george.dunlap@eu.citrix.com>
To: Fabio Fantoni <fabio.fantoni@m2r.biz>
Cc: Anthony Perard <anthony.perard@citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Jan Beulich <JBeulich@suse.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: Xen 4.3 development update RC2 imminent
Date: Thu, 23 May 2013 15:32:57 +0100	[thread overview]
Message-ID: <519E2899.2080000@eu.citrix.com> (raw)
In-Reply-To: <519E24DD.4080901@m2r.biz>


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create !
title -1 libxl cpuid features different than Linux features
thanks

On 23/05/13 15:17, Fabio Fantoni wrote:
> Tried with Raring (ubuntu 13.04) 32bit...
> in cfg:
> cpuid="host,sse=0,sse2=0,ssse3=0,sse4_1=0,sse4_2=0"
>
> # xl create /etc/xen/RARING.cfg
> Parsing config from /etc/xen/RARING.cfg
> while parsing CPUID flag: "sse4_1=0":
>   error #2: unknown CPUID flag name
> while parsing CPUID flag: "sse4_2=0":
>   error #2: unknown CPUID flag name
>
> In domU:
> # cat /proc/cpuinfo | grep sse
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
> mca cmov
>  pat pse36 clflush mmx fxsr ht nx rdtscp lm constant_tsc pni cx16 
> *sse4_1 sse4_2* x2apic popcnt tsc_deadline_timer hypervisor lahf_lm

libxl seems to call these sse4.1 and sse4.2 respectively.  We should 
think about duplicating Linux to make this sort of thing easy.

It would probably be a good idea to have a way to list the supported 
cpuid feature names from xl as well.

  -George

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  parent reply	other threads:[~2013-05-23 14:32 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-20 10:33 Xen 4.3 development update RC2 imminent George Dunlap
2013-05-20 10:36 ` George Dunlap
2013-05-20 17:12   ` Keir Fraser
2013-05-21  8:13     ` Tim Deegan
2013-05-21 10:22       ` Jan Beulich
2013-05-21  8:19   ` Jan Beulich
2013-05-21  8:22     ` George Dunlap
2013-05-21  8:25       ` Jan Beulich
2013-05-20 10:51 ` Wei Liu
2013-05-20 11:09   ` George Dunlap
2013-05-20 11:16     ` Ian Campbell
2013-05-20 11:32       ` George Dunlap
2013-05-20 11:46         ` Ian Campbell
2013-05-20 13:42           ` George Dunlap
2013-05-20 11:15   ` Ian Campbell
2013-05-20 11:22 ` George Dunlap
2013-05-20 11:26 ` Ian Campbell
2013-05-20 11:28   ` George Dunlap
2013-05-20 11:48     ` Ian Campbell
2013-05-21 14:06 ` Anthony PERARD
2013-05-21 14:31   ` Andrew Cooper
2013-05-21 14:49     ` George Dunlap
2013-05-21 14:55     ` Jan Beulich
2013-05-21 14:58       ` Andrew Cooper
2013-05-21 15:07         ` Jan Beulich
2013-05-21 16:13       ` George Dunlap
2013-05-21 16:16         ` George Dunlap
2013-05-22 12:49           ` Fabio Fantoni
2013-05-22 12:58             ` Andrew Cooper
2013-05-22 15:05             ` George Dunlap
2013-05-22 16:30               ` Pasi Kärkkäinen
2013-05-22 16:54                 ` George Dunlap
2013-05-23  7:39                   ` Jan Beulich
2013-05-23 10:36                     ` Fabio Fantoni
2013-05-23 10:39                       ` Andrew Cooper
2013-05-23 10:54                         ` George Dunlap
2013-05-23 14:17                           ` Fabio Fantoni
2013-05-23 14:26                             ` George Dunlap
2013-05-23 14:35                               ` George Dunlap
2013-05-23 14:58                               ` Fabio Fantoni
2013-05-23 15:10                                 ` Pasi Kärkkäinen
2013-05-23 16:10                                   ` George Dunlap
2013-05-23 16:07                                 ` George Dunlap
2013-05-24 13:56                                   ` Fabio Fantoni
2013-05-24 13:59                                     ` George Dunlap
2013-05-24 14:53                                       ` Fabio Fantoni
2013-05-24 15:52                                         ` George Dunlap
2013-05-23 14:32                             ` George Dunlap [this message]
2013-05-23 10:48                       ` Jan Beulich
2013-05-23 10:31                   ` Fabio Fantoni
2013-05-23 14:01                     ` Pasi Kärkkäinen
2013-05-22 12:48   ` Fabio Fantoni

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