Re: [RFC] What are the goals for the architecture of an in-kernel IR system?

Krzysztof Halasa
2009-12-08T15:29:43Z

Mauro Carvalho Chehab <mchehab@redhat.com> writes:

> If you use a kfifo to store the event (space_or_mark, timestamp),
> the IRQ handler can return immediately, and a separate kernel thread
> can do the decode without needing to touch at the IRQ.

But the decoding itself is a really simple thing, why complicate it?
There is no need for the kernel thread if the handler is fast (and it
is).

Userspace is obviously different.
--
Krzysztof Halasa