On Mon, Feb 11, 2013 at 12:30:51AM +0100, Daniel Borkmann wrote:
> On 02/11/2013 12:24 AM, Joe Perches wrote:
> >On Sun, 2013-02-10 at 23:00 +0100, Daniel Borkmann wrote:
> >>add memcmp_nta ({n}o {t}iming {a}ttacks)
> >
> >Why should this be in the kernel?
>
> As the commit message already says, so that current or future (e.g.) network
> protocol code or modules can make use of this when dealing with cryptographic
> hash comparisons.
Do we have any in-kernel users that need this? If not, then don't add
it now, but rather, add it when we actually have a user. We almost
never add kernel functions that no one calls, that would be just
wasteful.
sorry,
greg k-h
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