Re: [Qemu-devel] [PATCH v4 5/5] i8259: fix dynamically masking slave IRQs with IMR register

[Paolo Bonzini]

Il 03/09/2012 18:40, Jan Kiszka ha scritto:
>>> >> And the migration fails.  Needlessly, since icw3 == 0 doesn't affect
>>> >> guest operation.
>> > 
>> > But the point of subsections is to succeed migration in the common case,
>> > assuming there is more than one case that doesn't affect guest operation.
> The point is that the common case is icw3 = 4 (for the master), not 0.
> And if we don't save that case, we must save the rest. If we don't save
> this as well, we lose state information. This can't work.

I was agreeing with you, not Avi. :)

Paolo