[riot-notifications] [RIOT-OS/RIOT] core: Make support for multi-tasking optional (#11226)

Gunar Schorcht notifications at github.com
Fri Mar 22 13:54:34 CET 2019


@maribu This PR might affect PRs #10934, #10943, and #10944.

They all rely on the fact that system always working on thread stacks or on the ISR stack, and the standard stack is no longer used once `kernel_init` is executed and the system is working in multi-threading mode. Therefore, they define the top of the heap as current stack pointer minus some margin when calling `kernel_init` or` cpu_switch_context_exit`.

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