Re: [PATCH 2/3] locking: ww_mutex: Allow to use rt_mutex instead of mutex for the baselock
From: Sebastian Andrzej Siewior
Date: Fri Mar 06 2015 - 07:15:00 EST
On 03/02/2015 09:46 AM, Maarten Lankhorst wrote:
> Hey,
>
> Op 02-03-15 om 04:20 schreef Mike Galbraith:
>> On Fri, 2015-02-27 at 17:57 +0100, Sebastian Andrzej Siewior wrote:
>>> This patch makes it possible to replace the base mutex by a rt_mutex. In
>>> general one would not do this.
>> I would argue that the thing should be born as a full fledged primitive,
>> not a config option, as an rt_ww_mutex is the ww extension of rt_mutex.
>> We have to do the global substitution in -rt, but why should it not
>> exist in its own right in mainline?
> Well I haven't seen any users that specifically need a rt_ww_mutex, but flipping the switch on ww_mutex could be useful for testing. :)
Okay so what I the point made here? It is only about the config option,
right? What are the preferences here:
[ ] yes, the way it is now
[ ] yes, but somewhere else, please enter where you would like to see it
[ ] yes, but keep it hidden (not selectable)
[ ] what?
> ~Maarten
Sebastian
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