Re: [Qemu-devel] Question about qemu firmware configuration (fw_cfg) device

[Gleb Natapov]

On Mon, Jul 19, 2010 at 09:52:23AM -0500, Anthony Liguori wrote:
> On 07/19/2010 04:15 AM, Gleb Natapov wrote:
> >On Mon, Jul 19, 2010 at 11:09:13AM +0200, Alexander Graf wrote:
> >>On 19.07.2010, at 11:06, Gleb Natapov wrote:
> >>
> >>>On Mon, Jul 19, 2010 at 10:00:04AM +0100, Richard W.M. Jones wrote:
> >>>>virt-install is another program that uses explicit -initrd.
> >>>>
> >>>Installation takes a lot of time. Saving 1 second there will not be
> >>>noticeable. And during lifetime of installed VM initrd will be loaded
> >>>from its disk.
> >>Guys, please. It shouldn't be one or the other. Let's make sure both ways 
> >>of doing things are fast. That's what users want: fast.
> >>
> >That what we are talking about, no? We are trying to find faster way to
> >load kernel/initrd and stay architectural.
> 
> Modern platforms are not nearly as "architectural" as you would think.
> 
> It's not unusual to hang a custom chip off of the Southbridge that
> implements platform specific services along with an array of
> "legacy" devices that are implemented mostly in software to cost.
> 
> Other buses (like PS/2) are largely implemented in SMM today by the BIOS.
> 
I don't get your point. What is not "architectural" about all that?

--
                        Gleb.