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

[Patrick Rudolph (Code Review)]

Hello build bot (Jenkins), Arthur Heymans,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/48215

to look at the new patch set (#2).

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

On x86_64 the cannary is 8 bytes in size, so write the additional
4 bytes to make SMM handler happy.

Tested on Intel Skylake in long mode. No longer dies in SMM.

Change-Id: Id805c65717ec22f413803c21928d070602522b2c
Signed-off-by: Patrick Rudolph 
---
M src/cpu/x86/smm/smm_stub.S
1 file changed, 3 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/15/48215/2