In that case even if i create a new kernel thread and share the linked list between ppp module and kernel thread and if i use the spin_lock to protect my list. It again will fail inside the sock_sendmsg function(because of the sock_alloc_skb function) if i try to use the same buffer received by ppp module.sock_sendmsg should be called by your kernel_thread (you can't call from
interrupt context). If you want to avoid double/triple-buffering from your module ...
i have no suggestions since i'm not experienced with the ppp core.
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