Re: [Qemu-devel] [PATCH 4/4] kvm: i386: Add classic PCI device assignment

[Blue Swirl]

On Tue, Aug 28, 2012 at 7:35 AM, Michael Tokarev <address@hidden> wrote:
> On 27.08.2012 22:56, Blue Swirl wrote:
> []
>>> +static uint32_t slow_bar_readb(void *opaque, target_phys_addr_t addr)
>>> +{
>>> +    AssignedDevRegion *d = opaque;
>>> +    uint8_t *in = d->u.r_virtbase + addr;
>>
>> Don't perform arithmetic with void pointers.
>
> There are a few places in common qemu code which does this for a very
> long time.  So I guess it is safe now.

It's a non-standard GCC extension.

>
> /mjt