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? Alex
