Furquan Shaikh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48631 )
Change subject: mb/google/poppy: Fix race condition in acpi camera_pmic ......................................................................
Patch Set 4:
(1 comment)
https://review.coreboot.org/c/coreboot/+/48631/2//COMMIT_MSG Commit Message:
https://review.coreboot.org/c/coreboot/+/48631/2//COMMIT_MSG@9 PS2, Line 9: Newer kernels can re-schedule new acpi command calls during a Sleep().
I would love to blame this: […]
Yeah, that seems pretty old. I am confident that we did not see this issue with 4.4 or even 4.19. In fact, we had this issue that resume takes super long because each Sleep() results in all CPUs waiting idle. It would be interesting to see what the change in behavior is because there might be other cases that would probably break.