crc32c-intel vs crc32c

Loïc Minier loic.minier at ubuntu.com
Wed Feb 9 17:48:31 UTC 2011


 According to http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=608538
 crc32c-intel NEVER gets autoloaded, crc32c is always preferred.

 Probably we want to build it in the kernel?

On Wed, Feb 09, 2011, Loïc Minier wrote:
>         Hi folks
> 
>  While looking into an ARM specific issue today (LP #715835) I noticed
>  that we build crc32c into the kernel for x86/x86-64 kernels in Ubuntu,
>  but that we only build crc32c-intel as a module.
> 
>  Thanks to some magic, crc32c-intel ends up in the initrd, and might or
>  might not get loaded from there on.
> 
>  Would someone mind checking whether crc32c-intel gets loaded on SSE 4.2
>  hardware?  (I don't have that)
> 
>  Maybe it would make sense to build this module in the kernel?  This is
>  particularly relevant if it does NOT get loaded on boot on SSE 4.2
>  systems.
> 
>     Cheers,
> -- 
> Loïc Minier
> 
> -- 
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-- 
Loïc Minier




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