Il 02/06/2014 23:58, Eric Dumazet ha scritto:
This looks dubious
What about using kfree_rcu() instead ?
It would lead to unbound allocation from userspace.
translate_desc() still uses rcu_read_lock(), its not clear if the mutex
is really held.
Yes, vhost_get_vq_desc must be called with the vq mutex held.
The rcu_read_lock/unlock in translate_desc is unnecessary.
Paolo
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