On 15/06/2015 18:56, Thomas Gleixner wrote:
> On Mon, 15 Jun 2015, Mason wrote:
>
>> A) process-context kernel thread fills a FIFO and calls down(&fifo_empty);
>> B) ISR handles the FIFO-empty interrupt with up(&fifo_empty);
>>
>> However, in case something goes wrong and the interrupt never fire
On Mon, 15 Jun 2015, Mason wrote:
> A) process-context kernel thread fills a FIFO and calls down(&fifo_empty);
> B) ISR handles the FIFO-empty interrupt with up(&fifo_empty);
>
> However, in case something goes wrong and the interrupt never fires,
> I don't want the process to be stuck in an unint
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