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Some usages of RCU in the kernel code

Some usages of RCU in the kernel code

Posted Jan 7, 2008 15:28 UTC (Mon) by PaulMcKenney (subscriber, #9624)
In reply to: Some usages of RCU in the kernel code by fbh
Parent article: What is RCU, Fundamentally?

Good point!  Would you like to submit a patch?


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Some usages of RCU in the kernel code

Posted Jan 7, 2008 16:03 UTC (Mon) by fbh (subscriber, #49754) [Link]

Well, I actually raised 2 points and I'm not sure which one is the good one...

Could you please clarify ?

To answer your question, I don't have any problems for submitting a patch.

---
PS: This interface is pretty hard for discussing on an article. It's like bottom-posting
except we loose all its advantages... Just my 2 cents.

Some usages of RCU in the kernel code

Posted Jan 7, 2008 16:52 UTC (Mon) by PaulMcKenney (subscriber, #9624) [Link]

I was inviting a patch for incorporating the smp_wmb() into the rcu_assign_pointer.

The lock acquisition makes rcu_dereference() unnecessary, but cannot enforce the ordering
provided by the smp_wmb()/rcu_assign_pointer().


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