From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] fm10k: fix a crash bug when quit from testpmd
Date: Tue, 24 Nov 2015 11:31:24 +0100
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To: "Chen, Jing D" <jing.d.chen@intel.com>
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2015-11-24 02:20, Chen, Jing D:
> From: Thomas Monjalon
> > 2015-11-12 12:57, Chen Jing D:
> > > +	if (rx_using_sse)
> > > +		PMD_INIT_LOG(ERR, "Use vector Rx func");
> > > +	else
> > > +		PMD_INIT_LOG(ERR, "Use regular Rx func");
> > 
> > Why using en error log level?
> 
> Because fm10k will decide best rx/tx func in running time, some users 
> complain they can't find which rx/tx func they are using. the error level log
> will help them.

But this is not an error.
Please check how other drivers advertise the chosen implementation.