This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

AM625: 部分中断无法设置cpu亲和性

Part Number: AM625


设置中断亲和性的时候报错,如下:

root@ok6254:echo 2>/proc/irq/378/smp_affinity_list 
-sh:echo:write error:input/output error

但是有的中断号是可以的,例如i2c的16号中断,是可以设置亲和性的