patches for DPDK stable branches
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From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, david.marchand@redhat.com, mdr@ashroe.eu,
	kevin.laatz@intel.com, stable@dpdk.org
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] eal: fix querying DPDK version at runtime
Date: Mon, 15 Mar 2021 23:24:20 +0100
Message-ID: <1962071.jRph8S4ArN@thomas> (raw)
In-Reply-To: <20210216151329.290332-1-bruce.richardson@intel.com>

16/02/2021 16:13, Bruce Richardson:
> For using a DPDK application, such as OVS, which is dynamically linked, the
> DPDK version in use should always report the actual version, not the
> version used at build time. This incorrect behaviour can be seen by
> building OVS against one version of DPDK and running it against a later
> one. Using "ovs-vsctl list Open_vSwitch" to query basic info, the
> dpdk_version returned will be the build version not the currently running
> one - which can be verified using the DPDK telemetry library client.
> 
>   $ sudo ovs-vsctl list Open_vSwitch | grep dpdk_version
>   dpdk_version        : "DPDK 20.11.0-rc4"
> 
>   $ echo quit | sudo dpdk-telemetry.py
>   Connecting to /var/run/dpdk/rte/dpdk_telemetry.v2
>   {"version": "DPDK 21.02.0-rc2", "pid": 405659, "max_output_len": 16384}
>   -->
> 
> To fix this, we need to convert the rte_version() function, and any other
> necessary parts of the rte_version.h, to be actual functions in EAL, not
> just inlines/macros. The only complication in doing so is that telemetry
> library cannot call rte_version() directly, and instead needs the version
> string passed in on init.
> 
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> v2:
> 	rebased on top of main for 21.05 consideration.

Applied, thanks




  reply	other threads:[~2021-03-15 22:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-05 19:39 [dpdk-stable] [PATCH] " Bruce Richardson
2021-02-05 20:05 ` Thomas Monjalon
2021-02-05 21:26   ` Bruce Richardson
2021-02-09 12:34     ` Thomas Monjalon
2021-02-09 12:36       ` Bruce Richardson
2021-02-16 15:13 ` [dpdk-stable] [PATCH v2] " Bruce Richardson
2021-03-15 22:24   ` Thomas Monjalon [this message]
2021-03-17  8:40   ` David Marchand
2021-03-17  9:33     ` Thomas Monjalon

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