[coreboot-gerrit] Change in coreboot[master]: cpu/x86/smm: Add sinkhole mitigation to relocatable smmstub

[Patrick Rudolph (Code Review)]

Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/37289 )

Change subject: cpu/x86/smm: Add sinkhole mitigation to relocatable smmstub
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Patch Set 5:

(2 comments)

https://review.coreboot.org/c/coreboot/+/37289/5/src/cpu/x86/smm/smm_stub.S 
File src/cpu/x86/smm/smm_stub.S:

https://review.coreboot.org/c/coreboot/+/37289/5/src/cpu/x86/smm/smm_stub.S@... 
PS5, Line 87: 	/* emit "Crash" on serial */
only write something on serial in case of CONSOLE_SERIAL?

https://review.coreboot.org/c/coreboot/+/37289/5/src/cpu/x86/smm/smm_stub.S@... 
PS5, Line 100: 	ud2
do you need to crash? isn't returning from SMM enough?