Can we use semaphore or mutex or spin lock in interrupt context in linux kernel

Can we use semaphore or mutex or spin lock in interrupt
context in linux kernel ?

Question Posted / sumeet4interview

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Can we use semaphore or mutex or spin lock in interrupt context in linux kernel ?..

Answer / achilles

We cannot sleep in interrupt context so semaphores and mutex
can't be used.
Spinlocks can be used for locking in interrupt context.

Is This Answer Correct ?

31 Yes

6 No

Can we use semaphore or mutex or spin lock in interrupt context in linux kernel ?..

Answer / jagannath

spinlock with irq saved is the best choice in interrupt
handler.

Is This Answer Correct ?

5 Yes

2 No

Can we use semaphore or mutex or spin lock in interrupt context in linux kernel ?..

Answer / baazicha

You can give a binary semaphore from ISR.

Is This Answer Correct ?

2 Yes

11 No

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