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SubjectRe: [PATCH][ATM] cli() for net/atm/lec.c
On Thu, Feb 20, 2003 at 07:06:13PM +0000, Christoph Hellwig wrote:
> > extern void (*br_fdb_put_hook)(struct net_bridge_fdb_entry *ent);
> > +static spinlock_t lec_arp_spinlock = SPIN_LOCK_UNLOCKED;
> > +static unsigned long lec_arp_flags;
> >
> > +#define LEC_ARP_LOCK() spin_lock_irqsave(&lec_arp_spinlock, lec_arp_flags);
> > +#define LEC_ARP_UNLOCK() spin_unlock_irqrestore(&lec_arp_spinlock, lec_arp_flags);
> I don't think this is a good idea - use the spin_lock calls directly and
> always use flags on the stack.

Good spotting, though I would be more direct :)

Simon sez, "Don't do that"

1) use 'unsigned long flags' on the stack
2) do _not_ pass this variable between functions


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