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D32470.diff
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diff --git a/sys/dev/nvme/nvme_qpair.c b/sys/dev/nvme/nvme_qpair.c
--- a/sys/dev/nvme/nvme_qpair.c
+++ b/sys/dev/nvme/nvme_qpair.c
@@ -629,10 +629,10 @@
else
tr = NULL;
+ done++;
if (tr != NULL) {
nvme_qpair_complete_tracker(tr, &cpl, ERROR_PRINT_ALL);
qpair->sq_head = cpl.sqhd;
- done++;
} else if (!in_panic) {
/*
* A missing tracker is normally an error. However, a
@@ -664,10 +664,13 @@
atomic_store_rel_int(&qpair->cq_head, 0); /* 2 */
qpair->phase = !qpair->phase; /* 3 */
}
+ }
+ if (done != 0) {
bus_space_write_4(qpair->ctrlr->bus_tag, qpair->ctrlr->bus_handle,
qpair->cq_hdbl_off, qpair->cq_head);
}
+
return (done != 0);
}
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D32470.diff (704 B)
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D32470: nvme: Reduce traffic to the doorbell register
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