[coreboot-gerrit] Change in coreboot[master]: cpu/x86/smm/smm_stub: Fix stack canary on x86_64

[Arthur Heymans (Code Review)]

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48215 )

Change subject: cpu/x86/smm/smm_stub: Fix stack canary on x86_64
......................................................................

Patch Set 1:

(1 comment)

https://review.coreboot.org/c/coreboot/+/48215/1/src/cpu/x86/smm/smm_stub.S 
File src/cpu/x86/smm/smm_stub.S:

https://review.coreboot.org/c/coreboot/+/48215/1/src/cpu/x86/smm/smm_stub.S@... 
PS1, Line 146: movl	%ebx, (%ebx)
             : #if ENV_X86_64
             : 	movl	$0, 4(%ebx)
             : #endif
> That can't be used as this code is still in protected mode.

Ack