Re: [PATCH V2] hw/riscv: virt: Remove size restriction for pflash

[Sunil V L]

On Mon, Nov 07, 2022 at 01:06:38PM +0000, Peter Maydell wrote:
> On Mon, 7 Nov 2022 at 13:03, Sunil V L <sunilvl@ventanamicro.com> wrote:
> >
> > The pflash implementation currently assumes fixed size of the
> > backend storage. Due to this, the backend storage file needs to be
> > exactly of size 32M. Otherwise, there will be an error like below.
> >
> > "device requires 33554432 bytes, block backend provides 4194304 bytes"
> >
> > Fix this issue by using the actual size of the backing store.
> >
> > Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
> > ---
> 
> Do you really want the flash device size presented to the guest
> to be variable depending on what the user passed as a block backend?
> I don't think this is how we handle flash devices on other boards...
> 

Hi Peter,

x86 appears to support variable flash but arm doesn't. What is
the reason for not supporting variable size flash in arm?

Thanks
Sunil