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Groups > linux.kernel > #1284177
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. |
| Date | 2015-12-04 20:40 +0100 |
| Message-ID | <qC4n0-6Wi-9@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <qC2ld-5GD-31@gated-at.bofh.it> <qC2uU-5Kw-61@gated-at.bofh.it> <qC2Od-5RV-3@gated-at.bofh.it> <qC2XU-6b1-7@gated-at.bofh.it> <qC3qW-6kU-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Dec 04, 2015 at 06:30:39PM +0000, Luck, Tony wrote:
> Ashok wants to move in stage 2 to having the offline cpu scan banks and report
> any errors seen there. To do that we'll have to run through a fair bit of the
> do_machine_check() code.
I'm still very sceptical whether logging those errors are worth the risk
of running code on an offlined CPU.
> But ... if you want a super safe version to put the stable tag on ... we could
> just have something like this at the head of do_machine_check()
It would be prudent IMO. We don't want to disrupt stable kernels
unnecessarily.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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[Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Ashok Raj <ashok.raj@intel.com> - 2015-12-04 00:20 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Greg KH <greg@kroah.com> - 2015-12-04 00:40 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Borislav Petkov <bp@alien8.de> - 2015-12-04 15:40 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. "Raj, Ashok" <ashok.raj@intel.com> - 2015-12-04 17:20 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Borislav Petkov <bp@alien8.de> - 2015-12-04 18:00 +0100
RE: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. "Luck, Tony" <tony.luck@intel.com> - 2015-12-04 18:30 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Borislav Petkov <bp@alien8.de> - 2015-12-04 18:40 +0100
RE: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. "Luck, Tony" <tony.luck@intel.com> - 2015-12-04 19:00 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Borislav Petkov <bp@alien8.de> - 2015-12-04 19:10 +0100
RE: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. "Luck, Tony" <tony.luck@intel.com> - 2015-12-04 19:40 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Borislav Petkov <bp@alien8.de> - 2015-12-04 20:40 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Andy Lutomirski <luto@amacapital.net> - 2015-12-04 23:40 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. "Raj, Ashok" <ashok.raj@intel.com> - 2015-12-05 00:10 +0100
Re: [Patch V0] x86, mce: Ensure offline CPU's don't participate in mce rendezvous process. Andy Lutomirski <luto@amacapital.net> - 2015-12-05 00:20 +0100
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