Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error

[Dr. David Alan Gilbert]

* Paolo Bonzini (address@hidden) wrote:
> On 22/02/19 17:37, Dr. David Alan Gilbert wrote:
> > Why does vring_avail_idx use virtio_ld*u*w_phys_cached?
> > (similar for vring_avail_ring).
> > There's no generically safe way to do unaligned atomic loads - don't we know
> > in virtio that these are naturally aligned?
> 
> u is for unsigned. :)  We know that these are aligned and so they will
> be atomic.

Ah OK!

Dave

> Paolo
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK