Re: [Qemu-devel] [PATCH 2/7] pci: memory access API and IOMMU support

Eduard - Gabriel Munteanu
2010-09-02T16:16:05Z

On Thu, Sep 02, 2010 at 06:05:39PM +0200, Stefan Weil wrote:
> Am 02.09.2010 10:51, schrieb Eduard - Gabriel Munteanu:

[snip]

> >> The functions pci_memory_read and pci_memory_write not only read
> >> or write byte data but many different data types which leads to
> >> a lot of type casts in your other patches.
> >>
> >> I'd prefer "void *buf" and "const void *buf" in the argument lists.
> >> Then all those type casts could be removed.
> >>
> >> Regards
> >> Stefan Weil
> >>
> > I only followed an approach similar to how cpu_physical_memory_{read,write}()
> > is defined. I think I should change both cpu_physical_memory_* stuff and
> > pci_memory_* stuff, not only the latter, if I decide to go on that
> > approach.
> >
> >
> > Eduard
> >
>
>
> Yes, cpu_physical_memory_read, cpu_physical_memory_write
> and cpu_physical_memory_rw should be changed, too.
>
> They also require several type casts today.
>
> But this change can be done in an independent patch.
>
> Stefan

Roger, I'm on it. The existing casts could remain there AFAICT, so it's
a pretty simple change.

Eduard