lkml.org 
[lkml]   [2012]   [May]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] crypto: serpent - add x86_64/avx assembler implementation
On Wed, May 30, 2012 at 11:55:37PM +0200, Andi Kleen wrote:
> On Thu, May 31, 2012 at 07:44:48AM +1000, Herbert Xu wrote:
> > On Wed, May 30, 2012 at 11:40:06PM +0200, Andi Kleen wrote:
> > >
> > > > What we could do is to use the cpuid-based probing when an algorithm
> > > > is needed to selectively load the relevant implementations instead
> > > > of all of them. However, for most algorithms it won't make that
> > > > big a difference since all the available ones will be loaded anyway.
> > >
> > > Yes cpuid probing does that.
> >
> > I was under the impression that using cpuid meant that the algorithm
> > would be loaded regardless of whether it has been requested, as long
> > as the cpuid matches.
>
> It loads it always correct.

You mean with cpuid it'll always load the algorithm if it is
available even if noone is using it? Then it's probably not a
good fit for serpent.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


\
 
 \ /
  Last update: 2012-05-31 01:21    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site