04/09/2019 21:58, Andrew Rybchenko:
> On September 4, 2019 22:42:12 Thomas Monjalon <tho...@monjalon.net> wrote:
> 
> > 04/09/2019 21:21, Andrew Rybchenko:
> >> On 9/4/19 8:45 PM, Thomas Monjalon wrote:
> >>> 03/09/2019 10:47, Ferruh Yigit:
> >>>> On 9/3/2019 9:06 AM, David Marchand wrote:
> >>>>> On Mon, Sep 2, 2019 at 4:29 PM Ferruh Yigit <ferruh.yi...@intel.com> 
> >>>>> wrote:
> >>>>>> On 8/19/2019 12:41 PM, David Marchand wrote:
> >>>>>>> The function rte_log_register_type_and_pick_level() fills a gap for
> >>>>>>> dynamically loaded code (especially drivers) who would not pick up
> >>>>>>> the log level passed at startup.
> >>>>>>>
> >>>>>>>
> >>>>>>> Let's promote it to stable and export it for use by drivers via
> >>>>>>> a wrapper.
> >>>>>>>
> >>>>>>>
> >>>>>>> Signed-off-by: David Marchand <david.march...@redhat.com>
> >>>>>>> ---
> >>> [...]
> >>>>>>> /**
> >>>>>>> - * @warning
> >>>>>>> - * @b EXPERIMENTAL: this API may change without prior notice
> >>>>>>> - *
> >>>>>>> * Register a dynamic log type and try to pick its level from EAL 
> >>>>>>> options
> >>> [...]
> >>>>>>> -__rte_experimental
> >>>>>>> int rte_log_register_type_and_pick_level(const char *name, uint32_t 
> >>>>>>> level_def);
> >>>>>> +1 to remove experimental from the API.
> >>> I am not sure about this function API.
> >>> Why we combined register and level setting in one function?
> >>
> >> See [1]
> >>
> >> [1] http://git.dpdk.org/dpdk/commit/?id=b22e77c026
> >
> > Sorry, it does not explain why we mix both operations in one function.
> 
> Exactly to have one function instead of repeating two function calls 
> everywhere. Log level should be set when log type is registered. Yes, it is 
> possible to factor out a function just to pick log level, but I'm not sure 
> it makes sense separately.
> 
> In fact may be it makes sense to substitute just register with this one 
> (I.e. remove simple register from piblic API and do not highlight that 
> level is picked up in function name).

Given that we use it in a macro, we could keep two separate functions
for logtype register and minimum log level (note that "minimum" is
currently a missing word in these functions).
Anyway, we will always use the single macro in our libraries.


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