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
Quoting Andi Kleen <andi@firstfloor.org>:

>> I agree with that. Currently when I boot my PC with a new 3.4 kernel all the
>> ciphers from the intel-aesni module get loaded whether I need them
>> or not. As
>> Jussi stated most people using distros probably won't need the
>> serpent-avx-x86_64 module get loaded automatically, so it's
>> probably better to
>> leave it that way.
>
> That means you got a 50% chance to use the wrong serpent.
>
> This was a continuous problem with AESNI and the accelerated CRC,
> that is why the cpuid probing was implemented.
>
> Without some form of auto probing you may as well not bother with
> the optimization.
>
> -Andi

Hm.. should not the i586/x86_64 assembler implementations of AES etc
be autoloaded then too?

-Jussi

>
> --
> ak@linux.intel.com -- Speaking for myself only.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
>





\
 
 \ /
  Last update: 2012-05-30 21:01    [from the cache]
©2003-2011 Jasper Spaans