locking and linux net code

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Hi,


i am in little bit trouble. I wanted to put my func call in dev_init but now
i am completely lost..

i wonder what is the job of

spin__lock
lock_kernel
__cli() _sti()

what happens when i use one of them inside interrupt handler like
netif_rx_interrupt?

are there any advices on which&where exactly to use?

thanks in advance.. it makes mi little  bit unconfortable while changing net
code


adam


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