Re: [PATCH 01/29] x86/fpu: Use ULL for shift in xfeature_uncompacted_offset()

From: Rik van Riel
Date: Wed Nov 28 2018 - 20:52:27 EST

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 <bigeasy@xxxxxxxxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxxx>

All Rights Reversed.

Attachment: signature.asc
Description: This is a digitally signed message part