From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Paul Bolle <pebolle@tiscali.nl>
Cc: Patrick McHardy <kaber@trash.net>,
"David S. Miller" <davem@davemloft.net>,
netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org,
coreteam@netfilter.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] netfilter: nfnetlink: silence warning if CONFIG_PROVE_RCU isn't set
Date: Mon, 4 Mar 2013 16:59:46 +0100 [thread overview]
Message-ID: <20130304155946.GA25980@localhost> (raw)
In-Reply-To: <1362401141.16460.24.camel@x61.thuisdomein>
On Mon, Mar 04, 2013 at 01:45:41PM +0100, Paul Bolle wrote:
> Since commit c14b78e7decd0d1d5add6a4604feb8609fe920a9 ("netfilter:
> nfnetlink: add mutex per subsystem") building nefnetlink.o without
> CONFIG_PROVE_RCU set, triggers this GCC warning:
> net/netfilter/nfnetlink.c:65:22: warning: ‘nfnl_get_lock’ defined but not used [-Wunused-function]
>
> The cause of that warning is, in short, that rcu_lockdep_assert()
> compiles away if CONFIG_PROVE_RCU is not set. Silence this warning by
> open coding nfnl_get_lock() in the sole place it was called, which
> allows to remove that function.
Applied, thanks Paul.
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WARNING: multiple messages have this Message-ID (diff)
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Paul Bolle <pebolle@tiscali.nl>
Cc: Patrick McHardy <kaber@trash.net>,
"David S. Miller" <davem@davemloft.net>,
netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org,
coreteam@netfilter.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] netfilter: nfnetlink: silence warning if CONFIG_PROVE_RCU isn't set
Date: Mon, 4 Mar 2013 16:59:46 +0100 [thread overview]
Message-ID: <20130304155946.GA25980@localhost> (raw)
In-Reply-To: <1362401141.16460.24.camel@x61.thuisdomein>
On Mon, Mar 04, 2013 at 01:45:41PM +0100, Paul Bolle wrote:
> Since commit c14b78e7decd0d1d5add6a4604feb8609fe920a9 ("netfilter:
> nfnetlink: add mutex per subsystem") building nefnetlink.o without
> CONFIG_PROVE_RCU set, triggers this GCC warning:
> net/netfilter/nfnetlink.c:65:22: warning: ‘nfnl_get_lock’ defined but not used [-Wunused-function]
>
> The cause of that warning is, in short, that rcu_lockdep_assert()
> compiles away if CONFIG_PROVE_RCU is not set. Silence this warning by
> open coding nfnl_get_lock() in the sole place it was called, which
> allows to remove that function.
Applied, thanks Paul.
next prev parent reply other threads:[~2013-03-04 15:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 12:45 [PATCH] netfilter: nfnetlink: silence warning if CONFIG_PROVE_RCU isn't set Paul Bolle
2013-03-04 15:59 ` Pablo Neira Ayuso [this message]
2013-03-04 15:59 ` Pablo Neira Ayuso
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