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: Code-Review+2
(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 maybe movq $rbx, (%rbx) is clearer?