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Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option
Date 2015-09-30 14:00 +0200
Message-ID <qeodd-468-19@gated-at.bofh.it> (permalink)
References <qczZ7-T1-7@gated-at.bofh.it> <qczZ8-T1-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, Sep 25, 2015 at 08:28:11PM +0900, Hidehiro Kawai wrote:
> This patch introduces new boot option "noextnmi" which disables
> external NMI.  This option is useful for the dump capture kernel
> so that an HA application or administrator wouldn't mistakenly
> shoot down the kernel by NMI.

So that they can get really stuck when the crash kernel crashes, right?
;-)
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Thread

[V4 PATCH 0/4] Fix race issues among panic, NMI and crash_kexec Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:10 +0200
  [V4 PATCH 3/4] kexec: Fix race between panic() and crash_kexec()  called directly Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:10 +0200
    Re: [V4 PATCH 3/4] kexec: Fix race between panic() and crash_kexec()  called directly kbuild test robot <lkp@intel.com> - 2015-09-28 06:10 +0200
      RE: Re: [V4 PATCH 3/4] kexec: Fix race between panic() and  crash_kexec() called directly 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-09-28 06:50 +0200
    RE: Re: [V4 PATCH 3/4] kexec: Fix race between panic() and  crash_kexec() called directly 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-09-28 09:10 +0200
      Re: Re: [V4 PATCH 3/4] kexec: Fix race between panic() and  crash_kexec() called directly Peter Zijlstra <peterz@infradead.org> - 2015-09-30 14:00 +0200
        RE: Re: [V4 PATCH 3/4] kexec: Fix race between panic() and  crash_kexec() called directly 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 04:10 +0200
  [V4 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic on  NMI Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:10 +0200
    RE: [V4 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic  on NMI 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:20 +0200
      Re: [V4 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic  on NMI Peter Zijlstra <peterz@infradead.org> - 2015-09-30 13:30 +0200
        RE: [V4 PATCH 1/4] panic/x86: Fix re-entrance problem due to panic  on NMI 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 03:10 +0200
  [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:10 +0200
    Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Peter Zijlstra <peterz@infradead.org> - 2015-09-30 14:00 +0200
      RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 04:40 +0200
        Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Peter Zijlstra <peterz@infradead.org> - 2015-10-01 08:30 +0200
          RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 09:10 +0200
            Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Borislav Petkov <bp@alien8.de> - 2015-10-01 10:50 +0200
              RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 12:30 +0200
                Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Borislav Petkov <bp@alien8.de> - 2015-10-01 13:10 +0200
                RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-02 03:00 +0200
                Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Borislav Petkov <bp@alien8.de> - 2015-10-02 09:50 +0200
                RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-05 04:10 +0200
                Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Borislav Petkov <bp@alien8.de> - 2015-10-05 10:30 +0200
                RE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-05 11:30 +0200
                Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option Borislav Petkov <bp@alien8.de> - 2015-10-05 12:20 +0200
  [V4 PATCH 2/4] panic/x86: Allow cpus to save registers even if they  are looping in NMI context Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2015-09-25 14:10 +0200
    Re: [V4 PATCH 2/4] panic/x86: Allow cpus to save registers even if  they are looping in NMI context Peter Zijlstra <peterz@infradead.org> - 2015-09-30 14:00 +0200
      RE: [V4 PATCH 2/4] panic/x86: Allow cpus to save registers even if  they are looping in NMI context 河合英宏 / KAWAI，HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2015-10-01 03:50 +0200

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