Re: [BUGFIX] Fix AES-NI CTR optimization compiling failure with gas2.16.1

[Avi Kivity]

On 03/12/2010 10:42 AM, David Miller wrote:
> From: Avi Kivity<avi@xxxxxxxxxx>
> Date: Fri, 12 Mar 2010 10:37:33 +0200
>
>    
> > Eventually you'll port the entire assembler into macros, as
> > instructions are introduced more frequently that people upgrade their
> > assemblers.  Maybe we should disable the new features and warn people
> > (and distros) to upgrade their tools instead.
> >      
> I totally and completely disagree.
>
> It would have taken more than a year to get Niagara cpu support out to
> people if I had done what you are suggesting.
>    

Strange, that people can install a new kernel, but not a new assembler.

> And here we're talking about one instruction in one specialized case
> in a very piece of crypto module assembler.
>    

If it were one place, I'd agree, but there are more.  kvm for example 
also uses .byte instead of the actual instructions.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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