From: "BillXiang" <xiangwencheng@dayudpu.com>
To: "Maxime Coquelin" <maxime.coquelin@redhat.com>,
"Chenbo Xia" <chenbox@nvidia.com>
Cc: <dev@dpdk.org>, "BillXiang" <xiangwencheng@dayudpu.com>
Subject: [PATCH] vdpa: update used->flags in used ring relay
Date: Wed, 17 Jul 2024 11:24:47 +0800 [thread overview]
Message-ID: <20240717032447.39723-1-xiangwencheng@dayudpu.com> (raw)
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
reply other threads:[~2024-07-17 3:26 UTC|newest]
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