Re: [RFC][PATCH] irq_work
From: Peter Zijlstra
Date: Thu Jun 24 2010 - 08:18:29 EST
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?
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