On Tue, Dec 04, 2018 at 09:08:11AM -0800, Yu-cheng Yu wrote:

Then we will do this very often.  Why don't we create all three in the
beginning: xfeatures_mask_all, xfeatures_mask_user, and xfeatures_mask_system?

Because the _all thing is the OR-ed product of the two and then you
don't have to update it when the _user and the _system ones change
because you'll be creating it on the fly each time.

-- 
Regards/Gruss,
    Boris.

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