[dpdk-dev] [PATCH] eal: allow user to override DPDK runtime path

[Bruce Richardson]

On Wed, Mar 10, 2021 at 09:21:37AM -0800, Stephen Hemminger wrote:
> There can be cases such as containers or other runtime environments
> where DPDK may not be able to access the default runtime path.
> This patch introduces DPDK_RUNTIME_DIR as an environment variable
> to allow controlling and overriding the path.
> 
> The example we have is DPDK application running in an untrusted
> systemd container. In this case, it is not root, and XDG_RUNTIME_DIR
> is not set (since it is not a user application), and /tmp is
> blocked. The correct place for this application is to use /run.
> 
> In any case, hard coded path assumptions are a problem.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---

Basic question, if the user/operator can set DPDK_RUNTIME_DIR in the
container, can they not also set XDG_RUNTIME_DIR?