[dpdk-dev] [PATCH] eal: bus scan and probe never fail

Don Provan dprovan at bivio.net
Wed Oct 11 02:03:53 CEST 2017


> -----Original Message-----
> From: Shreyansh Jain [mailto:shreyansh.jain at nxp.com]
> Sent: Monday, October 09, 2017 10:01 PM
> To: Don Provan <dprovan at bivio.net>; Jan Blunck <jblunck at infradead.org>;
> Thomas Monjalon <thomas at monjalon.net>
> Cc: dev <dev at dpdk.org>; Hemant Agrawal <hemant.agrawal at nxp.com>
> Subject: Re: [dpdk-dev] [PATCH] eal: bus scan and probe never fail
> 
> ...
>
> >  From the application's point of view, the potential error here
> > is that the device it wants to use isn't available. I don't see that
> > either the init function or the probe function will have enough
> > information to understand that application-level problem, so
> > they should leave it to the application to detect it.
> 
> I think I understand you comment but just want to cross check again:
> Scan or probe error should simply be ignored by EAL layer and let the
> application take stance when it detects that the device it was looking
> for is missing. Is my understanding correct?
> 
> I am trying to come a conclusion so that this patch can either be
> modified or pushed as it is. If the above understanding is correct, I
> don't see any changes required in the patch.

Yes, I agree my comments support the patch as is.
-don


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