On Wed, 17 Jan 2018, Linus Torvalds wrote:
> On Wed, Jan 17, 2018 at 1:49 PM, David Miller <[email protected]> wrote:
> >
> >> That said, this made me wonder a bit. I wonder how bounded the latency
> >> is for raising a softirq from process context. We only _check_ the
> >> softirq on the last hardirq exit, I think.
> >
> > System call return checks it, otherwise this situation would be
> > completely bolixed.
>
> That's what I thought too. But then I went and looked, and I can't find it.
>
> But you're probably right, and I just missed it.
Not really. There is nothing to see there.
Thanks,
tglx
