On Fri, Oct 27, 2023 at 11:00 AM Morten Brørup <m...@smartsharesystems.com> wrote: > > > From: David Marchand [mailto:david.march...@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