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


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH 4/4] kvm: i386: Add classic PCI device assignment
Date: Mon, 27 Aug 2012 22:01:27 +0300

On Mon, Aug 27, 2012 at 06:56:38PM +0000, 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.

Why not?
We require gcc and it's a documented extension there.



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