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Groups > linux.kernel > #1585131
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made |
| Date | 2017-02-21 09:50 +0100 |
| Message-ID | <tdeiZ-6w-7@gated-at.bofh.it> (permalink) |
| References | <tcPkC-X2-3@gated-at.bofh.it> <tcUaB-3XL-9@gated-at.bofh.it> <tcWcq-5cJ-15@gated-at.bofh.it> <td2KS-VH-19@gated-at.bofh.it> <td7rb-3WI-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Feb 21, 2017 at 09:28:20AM +0800, Xunlei Pang wrote:
> Not kdump kernel starts dumping, just during nmi_shootdown_cpus(), if some
> MCE comes after crashing_cpu was set and we don't skip crashing_cpu, then
> the crashing cpu will enter mce handler and trigger the synchronization issue.
Ok, I went and looked at __crash_kexec() - so we do nmi_shootdown_cpus()
as part of machine_crash_shutdown(). The next thing we do is kexec the
new kernel in machine_kexec(kexec_crash_image). The picture is clearer
now.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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[PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Xunlei Pang <xlpang@redhat.com> - 2017-02-20 07:10 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Borislav Petkov <bp@alien8.de> - 2017-02-20 12:20 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Xunlei Pang <xpang@redhat.com> - 2017-02-20 14:30 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Borislav Petkov <bp@alien8.de> - 2017-02-20 21:30 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Xunlei Pang <xpang@redhat.com> - 2017-02-21 02:30 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Borislav Petkov <bp@alien8.de> - 2017-02-21 09:50 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Xunlei Pang <xpang@redhat.com> - 2017-02-21 02:30 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Xunlei Pang <xpang@redhat.com> - 2017-02-21 13:40 +0100
Re: [PATCH v2] x86/mce: Don't participate in rendezvous process once nmi_shootdown_cpus() was made Borislav Petkov <bp@alien8.de> - 2017-02-21 18:30 +0100
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