Andrew Kaster dea62fe93c Kernel: Guard the all processes list with a Spinlock rather than a Mutex ...

There are callers of processes().with or processes().for_each that
require interrupts to be disabled. Taking a Mutexe with interrupts
disabled is a recipe for deadlock, so convert this to a Spinlock.

2021-08-28 20:53:38 +02:00

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