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virtio: ignore corrupted virtqueues rather than spinning.
authorRusty Russell <rusty@rustcorp.com.au>
Sat, 3 May 2008 02:50:43 +0000 (21:50 -0500)
committerRusty Russell <rusty@rustcorp.com.au>
Fri, 2 May 2008 11:50:43 +0000 (21:50 +1000)
A corrupt virtqueue (caused by the other end screwing up) can have
strange results such as a driver spinning: just bail when we try to
get a buffer from a known-broken queue.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

No differences found
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