Re: [patch 05/44] generic {,test_and_}{set,clear,change}_bit()

[Martin Waitz]

hoi :)

On Wed, Feb 01, 2006 at 06:02:29PM +0900, Akinobu Mita wrote:
> +static __inline__ void set_bit(int nr, volatile unsigned long *addr)
> +{
> +	unsigned long mask = BITOP_MASK(nr);
> +	unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
> +	unsigned long flags;
> +
> +	_atomic_spin_lock_irqsave(p, flags);
> +	*p  |= mask;
> +	_atomic_spin_unlock_irqrestore(p, flags);
> +}

You could even use your new generic non-atomic bitops to implement these

-- 
Martin Waitz

Attachment: signature.asc
Description: Digital signature