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Runtime isolation is distinct from compile/build-time isolation. You're citing the latter, but it's the former that matters. Tesla gets this right, e.g. an inte
by freerobby 8y ago
Runtime isolation is distinct from compile/build-time isolation. You're citing the latter, but it's the former that matters. Tesla gets this right, e.g. an interrupt in the MCU does not have any effect on braking, drive-by-wire, or ADAS systems while a car is in operation.
- mikeash 8y agoJust to back this up: I have rebooted both my MCU and my instrument panel while driving. Critical systems are not affected.
- SideburnsOfDoom 8y agoFair enough, but if those bits pass through the infotainment center on the way in, controlling one allows you to control the other.