> -----Original Message----- > From: Wang, YuanX <[email protected]> > Sent: Thursday, May 19, 2022 12:25 AM > To: [email protected]; Xia, Chenbo <[email protected]> > Cc: [email protected]; Hu, Jiayu <[email protected]>; He, Xingguang > <[email protected]>; Ling, WeiX <[email protected]>; Wang, YuanX > <[email protected]>; [email protected] > Subject: [PATCH] examples/vhost: Fix retry logic on Rx > > drain_eth_rx() uses rte_vhost_avail_entries() to calculate the available > entries to determine if a retry is required. > However, this function only works with split rings, and calculating packed > rings will return the wrong value and cause unnecessary retries resulting in a > significant performance penalty. > > This patch uses the difference between tx burst and rx burst as a retry > condition, and introduces enqueue_pkts() to reduce code duplication. > > Fixes: 4ecf22e356 ("vhost: export device id as the interface to applications") > Cc: [email protected] > > Signed-off-by: Yuan Wang <[email protected]> > ---
Tested-by: Wei Ling <[email protected]>
