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Subject: [PATCH 4/5] feedback: disable interrupts in example code
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 <asubbarao@lnxw.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- 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]; -- MST
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