[riot-notifications] [RIOT-OS/RIOT] cpu/esp*: memory clobbers required for irq_* functions (#11571)

Gunar Schorcht notifications at github.com
Fri May 24 11:34:00 CEST 2019


#### Description

Based on discussions in PR #11440 it became clear that it might be also necessary for ESP architecture to add memory barriers to `__asm__ volatile` statements in `irq_*` functions.


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