On Fre, 2012-06-01 at 08:19 +0200, Michel Dänzer wrote:
>
> I think this might introduce a race condition:
>
> Thread 0 Thread 1
> -------- --------
> atomic_inc_return() returns 1
> spin_lock_irqsave()
> atomic_dec_and_test()
> radeon_irq_set()
>
> => the interrupt won't be enabled.
Hrmm, I messed up the formatting there, let me try one more time:
Thread 0 Thread 1
-------- --------
atomic_inc_return() returns 1
spin_lock_irqsave()
atomic_dec_and_test()
radeon_irq_set()
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
