Delaying an interrupt handler

[Daniel Baluta]

On Mon, Mar 23, 2015 at 2:18 PM, Milton Krutt <milton at krutt.org> wrote:
> Hi.
> It is known that no semaphore synchronization should be
> used inside an interrupt handler.
>
> Anyway, I am looking at a freeBSD device driver (written by
> a profesionist) and there are semaphores inside an interrupt
> handler's subroutine.
>
> Since I should port to linux that driver, I ask you how can I
> reach such synchronization under linux; I tried to use semaphores
> inside my handler but I got complains, and I don't want to break
> the law, so no semaphores for me.

Perhaps spinlocks could be the solution :).

2.6.10 please no - :), Linux kernel is now at 4.0.

Daniel.