On Sun, Jun 03, 2001 at 07:04:06PM +0200, Anders Magnusson wrote:

 > If the master CPU is spinning on a lock that is not taken by a 
 > __cpu_simple_lock(), then it will be handled by the SPINLOCK_SPIN_HOOK.
 > But you're right, if there is a printf inside another spinlock
 > then the same problem rises. That is a good reason to just do the check
 > inside __cpu_simple_lock(), and everything would be fine.

Not quite true, unfortunately -- SPINLOCK_SPIN_HOOK is used only for
lockmgr() spin locks -- simple_lock() is not affected by it.

-- 
        -- Jason R. Thorpe <thorpej@zembu.com>