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

[Andrew Morton]

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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