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| author | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-02-10 10:31:48 +0000 |
|---|---|---|
| committer | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2014-02-10 10:31:48 +0000 |
| commit | 261e83f3478c58327444d88db755444659f30574 (patch) | |
| tree | edb710cb2dd3e4a63cc90792ff5924228ee46500 | |
| parent | 9d7baf4228cb7c12dbd9749bfc327585015aa634 (diff) | |
example code does not have to be optimal but it
seems cleaner to disable interrupts after we
recheck the ring empty state.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@218 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
| -rw-r--r-- | content.tex | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/content.tex b/content.tex index 2adc393..bc53749 100644 --- a/content.tex +++ b/content.tex @@ -760,6 +760,8 @@ for (;;) { if (vq->last_seen_used != le16_to_cpu(vring->used.idx)) break; + + vring_disable_interrupts(vq); } struct vring_used_elem *e = vring.used->ring[vq->last_seen_used%vsz]; |