Messages in this thread | | | Date | Fri, 12 Mar 2010 10:44:58 +0200 | From | Avi Kivity <> | Subject | Re: [BUGFIX] Fix AES-NI CTR optimization compiling failure with gas 2.16.1 |
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On 03/12/2010 10:42 AM, David Miller wrote: > From: Avi Kivity<avi@redhat.com> > 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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