Re: [RFC][PATCH 3/3] x86: make MP a required-feature on 64-bit

From: H. Peter Anvin
Date: Fri Jun 20 2014 - 13:50:51 EST


Looking at the AMD init code, there is a whole bunch of other 32/64-bit
differences that are clearly bogus. I also see that amd_k7_smp_check()
doesn't even *exist* on 64 bits, and that init_amd_k7() which calls
amd_k7_smp_check() only is ever called for family == 6, despite having
tests for family 7 and above in it.

Urgh.

Borislav, any way that you would be willing to take this on, or get
someone from AMD to clean up this mess?

-hpa

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