Re: [PATCH] mm: pageattr: convert noop to functional fix

From: Borislav Petkov
Date: Wed Apr 10 2013 - 09:33:54 EST

On Wed, Apr 10, 2013 at 03:28:25PM +0200, Andrea Arcangeli wrote:
> Commit a8aed3e0752b4beb2e37cbed6df69faae88268da introduced some valid
> fix but one location that didn't trigger the bug that lead to finding
> those (small) problems, wasn't updated using the right variable.
> The wrong variable was also initialized for no good reason, that may
> have been the source of the confusion. Remove the noop initialization
> accordingly.
> Commit a8aed3e0752b4beb2e37cbed6df69faae88268da also erroneously
> removed one canon_pgprot pass meant to clear pmd bitflags not
> supported in hardware by older CPUs, that automatically gets corrected
> by this patch too by applying it to the right variable in the new
> location.
> Reported-by: Stefan Bader <stefan.bader@xxxxxxxxxxxxx>
> Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>

Acked-by: Borislav Petkov <bp@xxxxxxx>


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