From: "Paul E. McKenney" <paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Josh Triplett <josh-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org>,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sparse-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC 0/3] Examples for the new sparse context tracking functionality
Date: Mon, 21 Apr 2008 07:55:25 -0700 [thread overview]
Message-ID: <20080421145525.GB9153@linux.vnet.ibm.com> (raw)
In-Reply-To: <1208766355.26186.37.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
On Mon, Apr 21, 2008 at 10:25:55AM +0200, Johannes Berg wrote:
>
> > 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)
Cute!!! I didn't realize you could mark a single interface with
multiple __acquires() markings.
So if there is at least one match, sparse is happy?
Thanx, Paul
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WARNING: multiple messages have this Message-ID (diff)
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-kernel@vger.kernel.org,
Josh Triplett <josh@freedesktop.org>,
linux-wireless@vger.kernel.org, linux-sparse@vger.kernel.org
Subject: Re: [RFC 0/3] Examples for the new sparse context tracking functionality
Date: Mon, 21 Apr 2008 07:55:25 -0700 [thread overview]
Message-ID: <20080421145525.GB9153@linux.vnet.ibm.com> (raw)
In-Reply-To: <1208766355.26186.37.camel@johannes.berg>
On Mon, Apr 21, 2008 at 10:25:55AM +0200, Johannes Berg wrote:
>
> > 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)
Cute!!! I didn't realize you could mark a single interface with
multiple __acquires() markings.
So if there is at least one match, sparse is happy?
Thanx, Paul
next prev parent reply other threads:[~2008-04-21 14:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-10 13:48 [RFC 0/3] Examples for the new sparse context tracking functionality Johannes Berg
2008-04-10 13:48 ` [RFC 1/3] add macros for new sparse features Johannes Berg
2008-04-10 13:48 ` Johannes Berg
2008-04-10 16:37 ` Stefan Richter
2008-04-11 12:20 ` Johannes Berg
2008-04-10 13:48 ` [RFC 2/3] rcu: allow functions to declare they need RCU locking Johannes Berg
2008-04-10 13:48 ` Johannes Berg
2008-04-10 13:48 ` [RFC 3/3] mac80211: annotate with __requires_rcu Johannes Berg
2008-04-10 13:48 ` Johannes Berg
[not found] ` <20080410134829.412424000-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2008-04-12 8:50 ` Geert Uytterhoeven
2008-04-12 8:50 ` Geert Uytterhoeven
2008-04-12 8:56 ` Johannes Berg
2008-04-12 13:38 ` [RFC 1/2] mac80211: Patch to prevent mac80211 to clobber injected sequence numbers Jory A. Pratt
2008-04-12 13:56 ` Michael Buesch
[not found] ` <20080410134810.629048000-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2008-04-10 15:22 ` [RFC 0/3] Examples for the new sparse context tracking functionality Johannes Berg
2008-04-10 15:22 ` Johannes Berg
2008-04-19 23:33 ` Paul E. McKenney
2008-04-19 23:33 ` Paul E. McKenney
2008-04-21 8:25 ` Johannes Berg
[not found] ` <1208766355.26186.37.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2008-04-21 14:55 ` Paul E. McKenney [this message]
2008-04-21 14:55 ` Paul E. McKenney
[not found] ` <20080421145525.GB9153-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2008-04-21 15:05 ` Johannes Berg
2008-04-21 15:05 ` Johannes Berg
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