linux-kernel - Re: [RFC 0/3] Examples for the new sparse context tracking functionality

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Date:	Mon, 21 Apr 2008 10:25:55 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, Josh Triplett <josh@...edesktop.org>,
	linux-wireless@...r.kernel.org, linux-sparse@...r.kernel.org
Subject: Re: [RFC 0/3] Examples for the new sparse context tracking
	functionality


> At some point in the future, we might want to distinguish between
> the different flavors of RCU -- except that there is already common
> code that doesn't care which flavor of RCU is in use, as long as
> some sort of RCU is present.  So make that "some point in the distant
> future"...

No big deal, just declare

my_specific_rcu_get() __acquires(RCU) __acquires(specificRCU);

and then annotate whatever needs the specific RCU type with
__requires(specificRCU)

johannes

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