[libvirt] [Qemu-devel] Modern CPU models cannot be used with libvirt

Gleb Natapov gleb at redhat.com
Mon Mar 12 17:55:24 UTC 2012


On Mon, Mar 12, 2012 at 06:53:27PM +0100, Andreas Färber wrote:
> Am 12.03.2012 18:47, schrieb Peter Maydell:
> > On 12 March 2012 17:41, Andreas Färber <afaerber at suse.de> wrote:
> >> Also keep in mind linux-user. There's no concept of a machine there, but
> >> there's a cpu_copy() function used for forking that tries to re-create
> >> the CPU based on its model.
> > 
> > Incidentally, do you know why the linux-user code calls cpu_reset on
> > the newly copied CPU state but only for TARGET_I386/SPARC/PPC ? That
> > looks very odd to me...
> 
> Incidentally for i386 I do: cpu_reset() is intentionally not part of
> cpu_init() there because afterwards the machine or something sets
> whether this CPU is a "bsp" (Board Support Package? ;)) and only then
Boot Strap Processor I guess :)

> resets it.
> 
> For ppc and sparc I don't know but I'd be surprised if it's necessary
> for ppc... Alex?
> 
> Andreas
> 
> -- 
> SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
> GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg

--
			Gleb.




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