On Fri, Oct 12, 2012 at 02:03:00AM +0200, Alexander Graf wrote:
>
> On 12.10.2012, at 00:59, David Gibson wrote:
>
> > On Thu, Oct 11, 2012 at 07:34:42AM +0530, Avik Sil wrote:
> >> This patch adds nvram specified boot device into qemu default
> >> boot_devices list. This helps firmware to boot from nvram specified
> >> boot device if no -boot option is specified.
> >
> > I really don't think this is a good idea, it extends an already
> > deprecated mechanism in a fuzzy way and requires careful checking to
> > see if it could break anything. On all platforms the boot sequence
> > should be:
> > if bootindex is specified:
> > boot according to bootindex
> > else if -boot is specified:
> > boot according to -boot sequence
> > else:
> > use platform firmware default sequence
> >
> > The last will of course vary by platform, and could depend on platform
> > details like the contents of NVRAM. Your original idea of making it
> > clear to the guest when -boot has been specified (as opposed to when
> > it contains its default value) was the right one, and this "x" in
> > -boot is going the wrong direction.
>
> Given that this is a fundamental direction for a bunch of machines,
> how about we talk about it on the weekly QEMU call?
Uh, is this a call I know about?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
