[PATCH 2/2] talitos: Freescale integrated security engine (SEC) driver

[Kim Phillips]

On Fri, 30 May 2008 14:41:17 -0500
Scott Wood <scottwood at freescale.com> wrote:

> Kim Phillips wrote:
> > On Fri, 30 May 2008 22:09:04 +0400
> > Evgeniy Polyakov <johnpol at 2ka.mipt.ru> wrote:
> >> Don't you want to protect against simultaneous access to register space
> >> from different CPUs? Or it is single processor board only?
> > 
> > Doesn't linux mask the IRQ line for the interrupt currently being
> > serviced, and on all processors?
> 
> Yes.  Could there be interference from non-interrupt driver code on 
> another cpu (or interrupted code), though?

not that I can see - the fetch fifo register writes are protected with
per-channel spinlocks.

Kim