patches for DPDK stable branches
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From: "Wang, Yinan" <yinan.wang@intel.com>
To: "Ding, Xuan" <xuan.ding@intel.com>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"Wang, Zhihong" <zhihong.wang@intel.com>,
	"Ye, Xiaolong" <xiaolong.ye@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "Ding, Xuan" <xuan.ding@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] vhost: fix zero-copy cannot be enabled
Date: Tue, 19 May 2020 07:03:09 +0000
Message-ID: <DM5PR11MB138885328B452D08B96DC86C8FB90@DM5PR11MB1388.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200513021410.98031-1-xuan.ding@intel.com>

Tested-by: Wang, Yinan <yinan.wang@intel.com>

> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Xuan Ding
> Sent: 2020年5月13日 10:14
> To: maxime.coquelin@redhat.com; Wang, Zhihong <zhihong.wang@intel.com>;
> Ye, Xiaolong <xiaolong.ye@intel.com>
> Cc: dev@dpdk.org; Ding, Xuan <Xuan.Ding@intel.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH v2] vhost: fix zero-copy cannot be enabled
> 
> This patch fixes the situation where vhost-user cannot start as server with
> dequeue_zero_copy enabled.
> 
> Using flag instead of vsocket->is_server to determine whether vhost-user is in
> client mode. Because vsocket->is_server is not ready at this time.
> 
> Cc: stable@dpdk.org
> 
> Signed-off-by: Xuan Ding <xuan.ding@intel.com>
> ---
> 
> v2:
> * Added the description of problem solved in commit log.
> ---
>  lib/librte_vhost/socket.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c index
> bb8d0d780..0a66ef976 100644
> --- a/lib/librte_vhost/socket.c
> +++ b/lib/librte_vhost/socket.c
> @@ -926,7 +926,7 @@ rte_vhost_driver_register(const char *path, uint64_t
> flags)
>  			ret = -1;
>  			goto out_mutex;
>  		}
> -		if (!vsocket->is_server) {
> +		if ((flags & RTE_VHOST_USER_CLIENT) != 0) {
>  			VHOST_LOG_CONFIG(ERR,
>  			"error: zero copy is incompatible with vhost client
> mode\n");
>  			ret = -1;
> --
> 2.17.1


      parent reply	other threads:[~2020-05-19  7:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-12  9:51 [dpdk-stable] [PATCH] vhost: fix dequeue_zero_zopy " Xuan Ding
2020-05-13  2:14 ` [dpdk-stable] [PATCH v2] vhost: fix zero-copy " Xuan Ding
2020-05-19  6:28   ` Ye Xiaolong
2020-05-19  7:13     ` [dpdk-stable] [dpdk-dev] " Ye Xiaolong
2020-05-19 13:43       ` Ferruh Yigit
2020-05-19  7:03   ` Wang, Yinan [this message]

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