On Mon, Oct 08, 2018 at 01:24:51PM +0100, Peter Maydell wrote:
> On 3 October 2018 at 16:07, Edgar E. Iglesias <[email protected]>
> wrote:
> > From: "Edgar E. Iglesias" <[email protected]>
> >
> > Add support for selecting the Memory Region that the GEM
> > will do DMA to.
> >
> > Signed-off-by: Edgar E. Iglesias <[email protected]>
> > ---
>
>
> > @@ -1500,6 +1506,13 @@ static void gem_realize(DeviceState *dev, Error
> > **errp)
> > CadenceGEMState *s = CADENCE_GEM(dev);
> > int i;
> >
> > + if (s->dma_mr) {
> > + s->dma_as = g_malloc0(sizeof(AddressSpace));
> > + address_space_init(s->dma_as, s->dma_mr, NULL);
>
> Why not just have the CadenceGEMState embed the AddressSpace
>
> AddressSpace dma_as;
>
> rather than doing a separate memory allocation here?
No reason not to, I copied this from a pattern in our code and didn't reflect
too much about the allocation.
I'll change it for next version.
Cheers,
Edgar
>
> > + } else {
> > + s->dma_as = &address_space_memory;
> > + }
>
> thanks
> -- PMM
