Re: [RFC][PATCH] irq_work

Peter Zijlstra
2010-06-24T12:18:14Z

On Thu, 2010-06-24 at 14:02 +0200, Andi Kleen wrote:
> On Thu, Jun 24, 2010 at 01:57:29PM +0200, Peter Zijlstra wrote:
> > On Thu, 2010-06-24 at 13:55 +0200, Andi Kleen wrote:
> > > > but we don't have anything else that does that.
> > >
> > > Actually we do, audit in syscalls and scheduling in interrupts and signals
> > > all work this way. Probably more at some point adding more code to this
> > > path was very popular.
> >
> > That's the return to user path, nothing to do with softirqs. Add a TIF
> > flag and call your function there.
>
> It does that, but there are some cases where it's not enough.

care to expand on that?