Re: [RFC PATCH v2 3/5] exec/memattrs: Introduce MemTxAttrs::bus_perm field

[David Hildenbrand]

On 23.08.21 20:41, Peter Xu wrote:
> On Mon, Aug 23, 2021 at 06:41:55PM +0200, Philippe Mathieu-Daudé wrote:
> > +/* Permission to restrict bus memory accesses. See MemTxAttrs::bus_perm */
> > +enum {
> > +    MEMTXPERM_UNSPECIFIED   = 0,
> > +    MEMTXPERM_UNRESTRICTED  = 1,
> > +    MEMTXPERM_RAM_DEVICE    = 2,
> > +};
>
> Is there a difference between UNSPECIFIED and UNRESTRICTED?
>
> If no, should we merge them?

I'd assume MEMTXPERM_UNSPECIFIED has to be treated like 
MEMTXPERM_UNRESTRICTED, so I'd also think we should just squash them.

--
Thanks,

David / dhildenb