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Race conditions on kernel code preemption #23

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opened 2023-01-06 17:41:21 +00:00 by juju · 0 comments
juju commented 2023-01-06 17:41:21 +00:00
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When kernel code is preempted in a user thread context (e.g. a syscall), the thread might have locked the scheduler

Possible solutions:
- Never preempt kernel code
- Put the scheduler in a spin mutex

When kernel code is preempted in a user thread context (e.g. a syscall), the thread might have locked the scheduler Possible solutions: - Never preempt kernel code - Put the scheduler in a spin mutex
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Reference: juju/JuliOS#23
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