* [PATCH] vdpa: update used->flags in used ring relay
@ 2024-07-17 3:24 BillXiang
0 siblings, 0 replies; only message in thread
From: BillXiang @ 2024-07-17 3:24 UTC (permalink / raw)
To: Maxime Coquelin, Chenbo Xia; +Cc: dev, BillXiang
From: BillXiang <xiangwencheng@dayudpu.com>
The vDPA device will work incorrectly if flags such as
VRING_USED_F_NO_NOTIFY are not updated correctly.
Signed-off-by: BillXiang <xiangwencheng@dayudpu.com>
---
lib/vhost/vdpa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/vhost/vdpa.c b/lib/vhost/vdpa.c
index a1dd5a753b..8abb073675 100644
--- a/lib/vhost/vdpa.c
+++ b/lib/vhost/vdpa.c
@@ -174,6 +174,7 @@ rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m)
idx = vq->used->idx;
idx_m = s_vring->used->idx;
ret = (uint16_t)(idx_m - idx);
+ vq->used->flags = s_vring->used->flags;
while (idx != idx_m) {
/* copy used entry, used ring logging is not covered here */
--
2.30.0
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2024-07-17 3:24 [PATCH] vdpa: update used->flags in used ring relay BillXiang
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