Re: [PATCH] keys: Discard key spinlock and use RCU for key payload[try #3]

From: Andrew Morton
Date: Thu Mar 10 2005 - 07:25:34 EST

David Howells <dhowells@xxxxxxxxxx> wrote:
> The attached patch changes the key implementation in a number of ways:

That worked.

What's with the preempt_enable()/disable() added to __key_link()? It's not
obvious what is being protected from what, and why.

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