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

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

Question Posted / jagannath

Answer Posted / jagannath

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

Is This Answer Correct ?

5 Yes

2 No

Please Help Members By Posting Answers For Below Questions

Explain what is return type of isr?

834

Explain the components of an embedded system?

842

What is interaction semantics used in embedded systems?

899

Tell me can static variables be declared in a header file?

792

How are variables mapped across to the various memories by the c compiler?

1088

Explain the properties of a object oriented programming language.

772

How to implement a fourth order butter worth lp filter at 1 khz if sampling freuency is 8 khz?

772

Describe a software development life cycle that you've managed.

783

Describe, in as much detail as you think is relevant, as deeply as you can, what happens when I type "cnn.com" into a browser and press "go".

720

What is a semaphore? What are the different types of semaphore?

804

What are the characteristics of embedded system?

870

What are the functional requirements that are used in the embedded systems?

846

What is a 'const' variable?

834

Why cannot arrays be passed by values to functions?

850

Infinite loops often arise in embedded systems. How does you code an infinite loop in c?

1139