Re: [PATCH] netfilter: use per-CPU r**ursive lock {XV}

[Linus Torvalds]

On Mon, 27 Apr 2009, Linus Torvalds wrote:
> 
> BTW: THIS IS TOTALLY UNTESTED.

Gaah. I should have read through it one more time before sending.

> static inline void xt_info_rdunlock_bh(void)
> {
> 	struct xt_info_lock *lock;
> 
> 	lock = &__get_cpu_var(xt_info_locks);
> 	if (!--lock->readers)
> 		spin_unlock(&lock->lock);
> }

This one was missing the "local_bh_enable()" at the end.

There may be other bugs, but that's the one I noticed immediately when 
reading what I sent out. Oops.

			Linus
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