Re: [PATCH] qemu: define and use VIRTIO_PFN_SHIFT

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Hollis Blanchard wrote:
I wanted to make sure people on non-x86 architectures couldn't run into
vring-size related problems that didn't also appear on x86.

Having a VRING_SHIFT and a VRING_PAGE_SIZE where VRING_PAGE_SIZE != (1 << VRING_SHIFT) is almost certainly going to break things in unexpected ways because it's going against common understanding of the relationship between shift and page_size.

Regards,

Anthony Liguori


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