Messages in this thread | | | Date | Thu, 8 Feb 2018 17:39:40 +0100 | From | Greg KH <> | Subject | Re: x86/microcode/intel: Division by zero panic in 4.9.79 and 4.4.114 |
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On Thu, Feb 08, 2018 at 04:25:58PM +0000, Rolf Neugebauer wrote: > On Thu, Feb 8, 2018 at 2:53 PM, Borislav Petkov <bp@alien8.de> wrote: > > On Thu, Feb 08, 2018 at 01:55:48PM +0000, Rolf Neugebauer wrote: > >> On the 4.4 kernel, 1f161f67a272c ("x86/microcode: Do the family check > >> first") does not apply cleanly. Looks like it relies on 309aac77768c0 > >> ("x86/microcode: Decrease CPUID use") and 7a93a40be23e5 > >> ("x86/microcode: Remove local vendor variable") as well. These don't > >> apply cleanly either. > > > > It figures. The backporting game is hm, well, a fun one. :-) > > > >> Should I just manually backport the functionality of 1f161f67a272c? > > > > Yeah, try that first. > > Here it is below (same disclaimer about crappy mail client). If Boris > is fine with the changes, Greg, I can send it properly with "git > send-email" if needed.
Can you also send this for 4.9? It should need it as well. And at first glance, it looks good to me.
thanks for doing this,
greg k-h
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