Re: inconsistent usage of

[Duncan Sands]

> void foo()
> {
>      unsigned long  local_flags;
>      spin_lock_irqsave (&qtlock, local_flags);
>      spin_lock_irqsave (&qtlock, local_flags);
> }
>
> Calling the function foo() works proper in none SMP kernels. I assume, the
> spinlocks internaly will be initialized as
> recursive semaphore as default. So it is possible to aquire it more than
> once by the same thread.

No.  If you acquire it twice then you die.  The above code is wrong.
Where did you find it?

All the best,

Duncan.