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Re: [Qemu-devel] [PATCH 1/2] virtio-net: fix cross-endianness support
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH 1/2] virtio-net: fix cross-endianness support |
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Date: |
Thu, 3 Mar 2011 19:50:03 +0000 |
On Thu, Mar 3, 2011 at 7:16 PM, Aurelien Jarno <address@hidden> wrote:
> The endianness handling in virtio-net is different than in virtio-blk.
> In virtio-blk we basically have to byteswap the data when the endianness
> of the guest is different than the one of the guest. If I am correct, in
> virtio-net it seems we have to byteswap the data solely depending on the
> guest endianness and independently on the host endianness. This is
> something quite weird that we don't have in cpu-all.h
That sounds odd. Virtio is guest endian so the host must do
guest<->host endian conversion. Which bits of code make you think
otherwise?
Stefan