On Wed, Jun 04, 2014 at 01:34:54PM +0200, Paolo Bonzini wrote:
From: Ming Lei tom.leim...@gmail.com
Access to tgt-req_vq is strictly serialized by spin_lock
of tgt-tgt_lock, so the ACCESS_ONCE() isn't necessary.
smp_read_barrier_depends() in virtscsi_req_done was introduced
to order
From: Ming Lei tom.leim...@gmail.com
Access to tgt-req_vq is strictly serialized by spin_lock
of tgt-tgt_lock, so the ACCESS_ONCE() isn't necessary.
smp_read_barrier_depends() in virtscsi_req_done was introduced
to order reading req_vq and decreasing tgt-reqs, but it isn't
needed now because
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