Re: [PATCH RT v2] timer: Raise softirq if there's irq_work

[Steven Rostedt]

On Fri, 24 Jan 2014 21:20:39 +0100
Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:

> * Steven Rostedt | 2014-01-24 15:09:33 [-0500]:
> 
> >[ Talking with Sebastian on IRC, it seems that doing the irq_work_run()
> >  from the interrupt in -rt is a bad thing. Here we simply raise the
> >  softirq if there's irq work to do. This too boots on my i7 ]
> 
> It is okay in general because most of the users should not run in bare
> interrupt context. The only exception here is the nohz_full_kick_work
> thing.
> 

I know we discussed this on IRC, but I wanted to publicly state that
the missing irq work callback was the RCU's rsp_wakeup() function.

-- Steve
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