linux-kernel - Re: [PATCH][RT] - Mismatching declaration and export

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Date:	Wed, 22 Apr 2009 11:01:09 +0200
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Sven-Thorsten Dietrich <sven@...bigcorporation.com>
Cc:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][RT] - Mismatching declaration and export

Hi,

On Tue, Apr 21, 2009 at 11:23:25AM -0700, Sven-Thorsten Dietrich wrote:
> Subject: Make function declaration match EXPORT()
> -unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
> +unsigned long __lockfunc __spin_lock_irqsave_nested(spinlock_t *lock, int subclass)

	ukl@...opus:~/gsrc/linux-2.6$ git show v2.6.29.1-rt8:kernel/spinlock.c | sed -n -e '357,376p'
	unsigned long __lockfunc __spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass)
	{
		unsigned long flags;

		local_irq_save(flags);
		preempt_disable();
		spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
		/*
		 * On lockdep we dont want the hand-coded irq-enable of
		 * _raw_spin_lock_flags() code, because lockdep assumes
		 * that interrupts are not re-enabled during lock-acquire:
		 */
	#ifdef CONFIG_LOCKDEP
		LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
	#else
		_raw_spin_lock_flags(lock, &flags);
	#endif
		return flags;
	}
	EXPORT_SYMBOL(__spin_lock_irqsave_nested);

so this seems to be already included in 2.6.29.1-rt8.  Where is it
missing?

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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