Re: [Qemu-devel] [PATCH] Add nvram to default boot device list

[Chris Wright]

* Alexander Graf (address@hidden) wrote:
> On 12.10.2012, at 02:28, David Gibson wrote:
> > 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?
> 
> I would hope so. Chris / Juan, who is in charge of the phone numbers these 
> days?

Added David to the invite which contains the call details (very
unfriendly time for .au I'm afraid, 14:00 UTC).