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Groups > linux.kernel > #1237275
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option |
| Date | 2015-10-01 13:10 +0200 |
| Message-ID | <qeJUm-2dw-19@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <qeBWN-7aJ-3@gated-at.bofh.it> <qeFxn-3Zt-3@gated-at.bofh.it> <qeGa5-4Xv-3@gated-at.bofh.it> <qeHIS-7lL-23@gated-at.bofh.it> <qeJhD-1fx-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Oct 01, 2015 at 10:24:19AM +0000, 河合英宏 / KAWAI，HIDEHIRO wrote:
> But how do we check if the starting kernel is a dump capture kernel?
How does that first kernel pass info to the capture kernel?
> I think using cmdline option is the simplest way.
More often than not, simplest != correct.
What happens if I pass this option to the first kernel? All of a sudden
my *first* kernel doesn't get external NMIs.
Do you catch my drift?
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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[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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