On Fri, Mar 07, 2014 at 10:38:56PM +0100, Borislav Petkov wrote:
> * Another option would be if we change the f/m/s of "qemu64" so that
> the test doesn't fire.
>
> What also makes me wonder is why is this thing even called qemu64?? AMD
> family 6 was 32-bit only CPUs so 64 is kinda wrong IMO. I mean, the
> kernel code is in "ifdef CONFIG_X86_32" block so "qemu64" is patently
> wrong naming.
Additionally, fam:6 model:6 stepping 3 never existed in the real world afaict.
I used to keep x86info's stepping db pretty up to date, and that only has
knowledge
of stepping 1 & 2.[*] Modelling qemu on something from the real world might be
a better idea than inventing new special cases.
> Oh, and the thing has CPUID_EXT2_LM which is also a WTH moment for me.
> Paolo, what's going on here?
Yeah, this is a mess, there should be no family < 0xf with LM set.
Dave
[*] It's possible I somehow missed it, or the AMD rev docs never mentioned it
for some reason, but it seems unlikely.
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