Re: [Qemu-devel] [PATCH 0/5] pc: make ROMs resizeable

[Amit Shah]

On (Wed) 19 Nov 2014 [10:15:16], Michael S. Tsirkin wrote:
> On Wed, Nov 19, 2014 at 01:01:14PM +0530, Amit Shah wrote:
> > On (Mon) 17 Nov 2014 [22:08:46], Michael S. Tsirkin wrote:

> > > Note: migration stream is unaffected by these patches.
> > > This makes it possible to enable this functionality
> > > unconditionally, for all machine types.
> > > 
> > > In the future, this might be handy for other things,
> > > such as changing kernels loaded on command line
> > > across migrations.
> > 
> > I think that'll be too risky; unless we do S4 before / after
> > migration to ensure the kernel realises things might be changing
> > beneath its feet.
> 
> Well - guest never sees the resizing. It happens before we start the VM.
> So I don't see the issue - could you clarify please?

Before we start the VM?  That's a really odd corner case (ie not worth
bothering about?).  I took this to mean that the guest was running
while migration happened.


                Amit