Re: [PATCH] 2.6 workaround for Athlon/Opteron prefetch errata

[Jamie Lokier]

Dave Jones wrote:
>  > they should read /proc/cpuinfo exactly because this kind of errata.
> 
> We don't do any change to /proc/cpuinfo in this case. As I mentioned
> in an earlier mail, the only way you could disable prefetch in this way
> would be by reporting the entire sse/3dnow instruction sets as unavailable
> which is overkill.

If you're running a *specifically non-AMD* kernel on an Athlon (that's
what this strand of the thread is about), is it a big deal to report
sse/3dnow as unavailable?  Presumably if you want sse/3dnow to be
reported on AMDs, you can just run a generic or AMD-enabled kernel.

-- Jamie
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