RE: [PATCH] x86 cpu selection (first hack)

Leif Sawyer
2002-05-31T00:08:09Z

Dave Jones replied to
>Jeff Garzik who wrote:
>
>> [I] wonder if making the CPU features selectable is useful?
>> i.e. provide an actual config option for MMX memcpy, F00F bug,
>> WP, etc. Normal (current) logic is to look at the cpu selected,
>> and deduce these options.
>
> J.A's comment that most people compiling kernels shouldn't
> need to know what bugs their CPU has before they pick it is
> a good one imo
>

Perhaps a comprimise could be made?

Envision a config option where you would have 'expert' choices
for MMX, FOOF, WP, etc.

bool CONFIG_ENABLE_EXPERT_CPU_CHOICES

Leaving this alone would hide the individual tweaks under the
guise of 'least-common-denominator' choices previously suggested.