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[PATCH 1/5] introduction: tweak text as suggested by pbonzini
example code does not have to be optimal but it
seems cleaner to disable interrupts after we
recheck the ring empty state.
Cc: Arun Subbarao <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
---
content.tex | 2 ++
1 file changed, 2 insertions(+)
diff --git a/content.tex b/content.tex
index e6c6a3f..365df87 100644
--- a/content.tex
+++ b/content.tex
@@ -755,6 +755,8 @@ suppressed by the device:
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];
--
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