On 05.11.2012, at 12:34, Avik Sil wrote: > On 10/26/2012 05:15 PM, Alexander Graf wrote: >> >> On 25.10.2012, at 22:57, Alexander Graf <ag...@suse.de> wrote: >> >>> >>> On 25.10.2012, at 22:50, Peter Maydell wrote: >>> >>>> On 25 October 2012 21:18, Anthony Liguori <aligu...@us.ibm.com> wrote: >>>>> The other approach to this would be: >>>>> >>>>> static QEMUMachine pseries_machine = { >>>>> .no_boot_order = 1, >>>>> }; >>>>> >>>>> Which I think is what Peter is suggesting. I'm not a huge fan of this >>>>> because it's backwards logic but we already do this for a bunch of other >>>>> things so I can't object too strongly to it. >>>> >>>> The other issue is that "cad" is a load of rubbish for half of these >>>> boards, which don't have anything resembling the usual PC boot >>>> devices and probably don't pay attention to -boot anyway. A patch >>>> which only applied a boot order to boards which actually used it >>>> would probably also be rather shorter. >>> >>> That's what v1 did, and it's ok, if it's mentioned explicitly and thought >>> through properly. Just doing this without proper reasoning is bad, because >>> you potentially change semantics of -boot if you miss anything. On OpenBIOS >>> with PPC we actually make use of the -boot arguments for example. >>> >>> Hence having a common set of default options the way Anthony put it seems >>> the most sane solution forward. It guarantees you don't break anything in >>> patch 1. Then it goes in and actually changes the semantics for the one >>> machine you want to change in patch 2. >> >> Anthony, please comment on which path you'd prefer. I'd rather like to have >> a decision before creating more work. >> >> > Anthony, Alexander, any comments on the above?
I'm really waiting for Anthony just like you do :). This is nothing I want to make a call on. Alex