From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Galbraith <umgwanakikbuti@gmail.com>
Subject: Re: [PATCH RT 2/4] Revert "timers: do not raise softirq
 unconditionally"
Date: Wed, 25 Mar 2015 03:38:00 +0100
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Cc: Thavatchai Makphaibulchoke <thavatchai.makpahibulchoke@hp.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org,
	linux-rt-users <linux-rt-users@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Carsten Emde <C.Emde@osadl.org>,
	John Kacur <jkacur@redhat.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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On Tue, 2015-03-24 at 19:15 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2015-03-21 19:02:23 [+0100]:
>=20
> >> Steve, I'm still working on the fix we discussed using dummy irq_t=
ask.
> >> I should be able to submit some time next week, if still intereste=
d.
> >>=20
> >> Either that, or I think we should remove the function
> >> spin_do_trylock_in_interrupt() to prevent any possibility of runni=
ng
> >> into similar problems in the future.
> >
> >Why can't we just Let swapper be the owner when in irq with no dummy=
?
>=20
> so you abuse the owner to be swapper and mask it out everywhere. It d=
oes
> not look like a final solution. I'm more inclined to take you other
> patch. In the end I hope we get a timer re-work and do not need any
> hackary around it=E2=80=A6

Yeah, it was just _a_ way to dodge the bullet.

	-Mike

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