> 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.
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This archive was generated by hypermail 2b29 : Wed Apr 23 2003 - 22:00:32 EST