[riot-notifications] [RIOT-OS/RIOT] fe310: Fix potential deadlock in thread_yield_higher (#15277)

Marian Buschsieweke notifications at github.com
Fri Jan 8 09:43:27 CET 2021

@maribu approved this pull request.

ACK. It is IMO a good idea to not rely on implementation details of a specific CPU: In the future, we might want to support hardware that behaves differently. Additionally, we have users that would profit right now by being able to run this code in simulators that are not cycle accurate in their IRQ handling.

@aabadie, @bergzand: Any second thoughts? I agree with @nmeum that we should consider using ECALL rather than soft IRQs for context switches.

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