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Groups > linux.kernel > #1176724

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

From Geert Uytterhoeven <geert@linux-m68k.org>
Newsgroups linux.kernel
Subject Re: Possible regression due to "tick: broadcast: Prevent livelock from event handler"
Date 2015-07-03 19:10 +0200
Message-ID <pIcDn-2PO-5@gated-at.bofh.it> (permalink)
References (1 earlier) <pI6Rk-7tK-5@gated-at.bofh.it> <pI9cu-AJ-7@gated-at.bofh.it> <pI9ma-E1-31@gated-at.bofh.it> <pI9YS-17f-9@gated-at.bofh.it> <pIaif-1dJ-47@gated-at.bofh.it>
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Hi Wolfram,

On Fri, Jul 3, 2015 at 4:37 PM, Wolfram Sang <wsa@the-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@linux-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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Thread

Possible regression due to "tick: broadcast: Prevent livelock from  event handler" Simon Horman <horms@verge.net.au> - 2015-07-03 04:50 +0200
  Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 11:30 +0200
  Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 13:00 +0200
    Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Russell King - ARM Linux <linux@arm.linux.org.uk> - 2015-07-03 13:10 +0200
    Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 15:30 +0200
      Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 15:40 +0200
        Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 16:20 +0200
          Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 16:40 +0200
            Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Sudeep Holla <sudeep.holla@arm.com> - 2015-07-03 16:50 +0200
              Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Sudeep Holla <sudeep.holla@arm.com> - 2015-07-03 17:00 +0200
              Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 17:00 +0200
            Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 17:00 +0200
              Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 17:20 +0200
                Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 17:30 +0200
                Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 17:50 +0200
                Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Thomas Gleixner <tglx@linutronix.de> - 2015-07-03 18:00 +0200
                Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Wolfram Sang <wsa@the-dreams.de> - 2015-07-03 18:10 +0200
            Re: Possible regression due to "tick: broadcast: Prevent livelock  from event handler" Geert Uytterhoeven <geert@linux-m68k.org> - 2015-07-03 19:10 +0200

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