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From: David Marchand <david.marchand@redhat.com>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: ktraynor@redhat.com, dev@dpdk.org
Subject: Re: [PATCH] eal/unix: lower log level for reading files
Date: Fri, 27 Oct 2023 11:13:41 +0200	[thread overview]
Message-ID: <CAJFAV8zZY1zyAw-pOG9K6o4G0tRbbMC6Y6hT1bs3SXqFGNWERQ@mail.gmail.com> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35E9EFA4@smartserver.smartshare.dk>

On Fri, Oct 27, 2023 at 11:00 AM Morten Brørup <mb@smartsharesystems.com> wrote:
>
> > From: David Marchand [mailto:david.marchand@redhat.com]
> > Sent: Friday, 27 October 2023 10.01
> >
> > The eal_parse_sysfs_value helper both returns an error code and logs an
> > error level message when something goes wrong.
> > On the other hand, internal users of this helper either ignore this
> > error code (like when trying to find out some numa information from the
> > Linux sysfs, or discovering some optional feature), or add their own
> > error
> > logging when reading the file actually matters.
> >
> > Lower this helper log messages to debug level as it provides no useful
> > information to final DPDK users.
>
> Such assumptions seem risky.
>
> Please add __attribute__ ((warn_unused_result)) to this function's header, to support the assumption.

I can add this.


> Alternatively, add a "bool may_not_exist" parameter to the function to choose the relevant log level.

If an API update is to be considered, I would rather add some new
helpers with Windows support.


-- 
David Marchand


  reply	other threads:[~2023-10-27  9:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-27  8:00 David Marchand
2023-10-27  9:00 ` Morten Brørup
2023-10-27  9:13   ` David Marchand [this message]
2023-10-30 10:34     ` Thomas Monjalon
2023-10-30 10:45       ` Morten Brørup

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