[S] Change in coreboot[main]: cpu/x86: Conditionally invalidate caches based on self-snooping support

[Shuo Liu (Code Review)]

Attention is currently required from: Jérémy Compostella, Subrata Banik.

Shuo Liu has posted comments on this change by Subrata Banik. ( https://review.coreboot.org/c/coreboot/+/87182?usp=email )

Change subject: cpu/x86: Conditionally invalidate caches based on self-snooping support
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Patch Set 2:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/87182/comment/3482655e_f617629f?usp... :
PS2, Line 35: 
Does arch_segment_loaded in cpu/x86/cache/cache.c needs to be handled as well?

File src/cpu/x86/mp_init.c:

https://review.coreboot.org/c/coreboot/+/87182/comment/8ab71815_d4bfc8e0?usp... :
PS2, Line 831: 	if (!self_snooping_supported()) {
Do we need to check clflush_supported to do clflush over wbinvd?