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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN2PR11MB3821.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4486e182-9b8b-47e8-3d00-08d8b89def1e X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jan 2021 15:06:13.2078 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: kDu1rFZYOG0LegjeL/YpKnQOnsrXMKv1eC60lOIVX99p9Jq/1ojgGpIAZYe6TcyYZCw6o+1Kf8oeIdgo3mWLOw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3567 X-OriginatorOrg: intel.com Subject: Re: [dpdk-stable] [PATCH] ethdev: avoid blocking telemetry callback for link status X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi Bruce, >-----Original Message----- >From: Richardson, Bruce >Sent: Thursday 14 January 2021 12:18 >To: dev@dpdk.org >Cc: Richardson, Bruce ; stable@dpdk.org; >Thomas Monjalon ; Yigit, Ferruh >; Andrew Rybchenko >; Power, Ciara ; >Wiles, Keith >Subject: [PATCH] ethdev: avoid blocking telemetry callback for link status > >When querying the link status via telemetry interface, we don't want the >client to have to wait for multiple seconds for a reply. Therefore use >"rte_eth_link_get_nowait()" rather than "rte_eth_link_get()" in the teleme= try >callback. > >Cc: stable@dpdk.org >Fixes: c190daedb9b1 ("ethdev: add telemetry callbacks") > >Signed-off-by: Bruce Richardson >--- > lib/librte_ethdev/rte_ethdev.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev= .c >index 17ddacc78..1f4545fe0 100644 >--- a/lib/librte_ethdev/rte_ethdev.c >+++ b/lib/librte_ethdev/rte_ethdev.c >@@ -5692,7 +5692,7 @@ eth_dev_handle_port_link_status(const char *cmd >__rte_unused, > if (!rte_eth_dev_is_valid_port(port_id)) > return -1; > >- ret =3D rte_eth_link_get(port_id, &link); >+ ret =3D rte_eth_link_get_nowait(port_id, &link); > if (ret < 0) > return -1; > >-- >2.27.0 This change looks good to me. Acked-by: Ciara Power