Re: Locking/mutex for snd_pcm_update_hw_ptr0() call

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Alan Young wrote:
> It is possible that the DMA interrupt handler could call
> snd_pcm_update_hw_ptr0() while it is part way through a call
> from snd_pcm_status(), or vice versa?

The *lock_irq* functions disable interrupts on the current CPU.


Regards,
Clemens
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