On 07/05/11 18:23, Michael S. Tsirkin wrote:
On Tue, Jul 05, 2011 at 05:27:03PM +0200, Gerd Hoffmann wrote:
Try to handle address space shortage by skipping any device
which isn't essential for boot.
Signed-off-by: Gerd Hoffmann<[email protected]>
At least in a virt setup, it's much easier to debug
things if boot just fails. Partial boot could be an option I guess.
Yea, I think that is pretty much the fundamental question. Does it make
sense to try boot up even if we can't fit some devices into the pci
memory hole.
At least linux guests will try to map devices below the pci memory hole
in case seabios didn't assign an address. Of course this works only if
the guest hasn't too much memory so there is some free space between end
of ram and the start of the pci memory hole.
We usually have a list of bootable devices we got from qemu -
want to use that?
Why? seabios knows itself which devices it can use to boot. Also the
list from qemu is incomplete, the boot menu can have more entries than
what we get passed in from qemu as boot order list.
cheers,
Gerd
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