From: Vipul Ashri <vipul.ashri@oracle.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] Virtio TX: reverting a small change causing Virtio standard TX broken
Date: Fri, 7 Aug 2020 18:27:31 +0530
Message-ID: <20200807125731.1287-1-vipul.ashri@oracle.com> (raw)
Virtio Standard TX broken : Reverting a small change added few months back which has caused breakage in Virtio Standard TX path.
During basic ping Tx/Rx testing of net_virtio pmd driver using standard Tx path, We saw TX is broken since anomaly code added by below patch once submitted
http://git.dpdk.org/dpdk/patch/?id=57f90f89458807bccc63425e4b72796870177977
---
drivers/net/virtio/virtqueue.h | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h
index 105a9c00c..81118d9fb 100644
--- a/drivers/net/virtio/virtqueue.h
+++ b/drivers/net/virtio/virtqueue.h
@@ -607,10 +607,8 @@ virtqueue_notify(struct virtqueue *vq)
/* avoid write operation when necessary, to lessen cache issues */
#define ASSIGN_UNLESS_EQUAL(var, val) do { \
- typeof(var) var_ = (var); \
- typeof(val) val_ = (val); \
- if ((var_) != (val_)) \
- (var_) = (val_); \
+ if ((var) != (val)) \
+ (var) = (val); \
} while (0)
#define virtqueue_clear_net_hdr(hdr) do { \
--
2.28.0.windows.1
next reply other threads:[~2020-08-09 0:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 12:57 Vipul Ashri [this message]
2020-08-09 13:28 ` Vipul Ashri
2020-08-10 4:10 ` Xia, Chenbo
2020-08-10 19:59 ` [dpdk-dev] [PATCH v2] net/virtio: fix 57f90f8("net/virtio: reuse packed ring functions") Vipul Ashri
2020-08-11 1:39 ` Xia, Chenbo
2020-08-12 9:23 ` [dpdk-dev] [PATCH v2] Fixes: 57f90f894588("net/virtio: " Vipul Ashri
2020-08-12 12:00 ` Xia, Chenbo
2020-08-13 7:23 ` [dpdk-dev] FW: " Vipul Ashri
2020-08-13 7:27 ` chupenghong
2020-08-13 7:25 ` [dpdk-dev] [PATCH v2] net/virtio: fix wrong variable assignment in helper macro Vipul Ashri
2020-08-13 7:28 ` [dpdk-dev] [PATCH v3] " Vipul Ashri
2020-08-13 7:35 ` Xia, Chenbo
2020-08-19 1:25 ` Xia, Chenbo
2020-09-16 5:57 ` [dpdk-dev] [PATCH v4] " Vipul Ashri
2020-09-17 15:54 ` Andrew Rybchenko
2020-09-18 9:55 ` [dpdk-dev] [PATCH v5] " Vipul Ashri
2020-09-18 12:22 ` Maxime Coquelin
2020-09-18 12:30 ` Maxime Coquelin
2020-08-13 16:22 ` [dpdk-dev] [PATCH v3] " Vipul Ashri
2020-08-14 1:25 ` Xia, Chenbo
2020-08-14 5:23 ` Vipul Ashri
2020-08-18 18:45 ` Ferruh Yigit
2020-08-18 20:46 ` Vipul Ashri
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