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While writing interrupt handlers (ISR), which are points
needed to be considered ?
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Answer / jay
Avoid sleep , use GFP_ATOMIC instead of GFP_KERNEL in kmalloc
| Is This Answer Correct ? | 13 Yes | 1 No |
Answer / rajesh
While writing ISR it is necessary to remember which routine is having high priority
Initialize the stack pointer
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / baazicha
- Do not issue blocking calls
- Defer as much processing to second level interrupt
handler or BH.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / shawn bai
not take too long，actually calling dpc
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / dinesh
while writing ISR you should have proper knowledge about
it......... - by chandu
| Is This Answer Correct ? | 1 Yes | 4 No |
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