Re: [PATCH 04/10] rust: pl011: extract CharBackend receive logic into a separate function

[Paolo Bonzini]

On 1/22/25 15:59, Zhao Liu wrote:
> >           if size > 0 {
> >               debug_assert!(!buf.is_null());
> > -            state.as_mut().put_fifo(c_uint::from(buf.read_volatile()))
>
> An extra question...here I'm not sure, do we really need read_volatile?

No, the buffer is not guest visible.  It will certainly go away together 
with chardev bindings.

Paolo