linux-kernel - Re: Possible regression due to "tick: broadcast: Prevent livelock from event handler"

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Message-ID: <CAMuHMdWQeYA=LrYcsD8W_0ZQUp3BKYVxedhBDpD5kPQp++yu1A@mail.gmail.com>
Date:	Fri, 3 Jul 2015 19:02:22 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Simon Horman <horms@...ge.net.au>,
	Kevin Hilman <khilman@...nel.org>,
	Tyler Baker <tyler.baker@...aro.org>,
	Borislav Petkov <bp@...en8.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Possible regression due to "tick: broadcast: Prevent livelock
 from event handler"

Hi Wolfram,

On Fri, Jul 3, 2015 at 4:37 PM, Wolfram Sang <wsa@...-dreams.de> wrote:
>> So this is a single core machine and uses the em_sti timer w/o the
>> broadcast nonsense. In Simons case it looks like em_sti is used as
>> broadcast device.
>
> We use the same board. Just my kernel has SMP=n.

Unlike our other multi-core A9 SoCs, emev2.dtsi doesn't have a node
for the arm,cortex-a9-twd-timer?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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