On Wed, 2018-11-28 at 23:20 +0100, Sebastian Andrzej Siewior wrote: > The xfeature mask is 64bit so a shift from a number to its mask > should > have LL prefix or else nr > 31 will be lost. This is not a problem > now > but should XFEATURE_MASK_SUPERVISOR gain a bit >31 then this check > won't > catch it. > > Use BIT_ULL() to compute a mask from a number. > > Signed-off-by: Sebastian Andrzej Siewior Reviewed-by: Rik van Riel -- All Rights Reversed.