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    SubjectRE: [tip:core/locking] watchdog, hpwdt: Remove priority option for NMI callback

    Don is correct. We did have a separate discussion about this after I denied the original patch. It is all good now.

    And thanks for cutting in the port 0x72 patch.


    -----Original Message-----
    From: Don Zickus []
    Sent: Thursday, April 26, 2012 7:27 AM
    To: Wim Van Sebroeck
    Cc:;;;;; Mingarelli, Thomas;;;
    Subject: Re: [tip:core/locking] watchdog, hpwdt: Remove priority option for NMI callback

    On Thu, Apr 26, 2012 at 09:13:39AM +0200, Wim Van Sebroeck wrote:
    > >
    > > Therefore hpwdt's priority mechanism doesn't make sense any
    > > more. They will be always first on the NMI_UNKNOWN queue, if
    > > they register.
    > >
    > > Removing this parameter cleans up the code and simplifies things
    > > for the next patch which changes how nmis are registered.
    > >
    > > Signed-off-by: Don Zickus <>
    > > Cc: Thomas Mingarelli <>
    > > Cc: Wim Van Sebroeck <>
    > > Cc: Peter Zijlstra <>
    > > Cc: Linus Torvalds <>
    > > Cc: Andrew Morton <>
    > > Link:
    > > Signed-off-by: Ingo Molnar <>
    > This is the feedback I have from Tom which he discussed with Don:
    > > I don't like this patch because the Virtual NMI button doesn't come through the pretimeout routine. It is taken by the
    > system as an IOCK NMI error and no log messages in our IML.
    > > Our BIOS is not able to source the NMI.
    > And since then it became quiet. Imho: this needs more discussion...

    Tom and I discussed this offline. The result was patch 2 of this series.
    The problem he had, had nothing to do with this patch (which was just a
    cleanup really). Tom tested the second patch and was happy with the

    If there is any other issues, I am assuming Tom would have let me know a
    while ago. But I believe all his issues are addressed. Tom?

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