lkml.org 
[lkml]   [2018]   [Mar]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: spectre v2 microcodes blacklist (march update)
Hi,

2018-03-03 22:02 GMT+01:00 Alexander Sergeyev <sergeev917@gmail.com>:
> Hi,
>
> the microcode revision guidance from Intel is revised once again [1] (1
> Mar).
>
> It looks like the following:
>
>> Intel document only clears the 0xc2 microcode on *some* parts with CPUID
>> 506E3 (INTEL_FAM6_SKYLAKE_DESKTOP stepping 3). For the Skylake H/S platform
>> it's OK but for Skylake E3 which has the same CPUID it isn't (yet) cleared.
>
>
> is no longer a problem. CPUID 506E3 with both Skylake H/S and Skylake Xeon
> E3 is labelled as "production" now.
>
> Could we drop { INTEL_FAM6_SKYLAKE_DESKTOP, 0x03, 0xc2 } from
> spectre_bad_microcodes?
+1, I have a test machine with cpuid 506e3, dell/intel releases
production BIOS version 0xC2, but due to list as bad_microcode,
IBPB function is disabled.
I would like also vote to get it remove from bad_microcode list.
>
> [1]
> https://newsroom.intel.com/wp-content/uploads/sites/11/2018/03/microcode-update-guidance.pdf

Regards,
Jack

\
 
 \ /
  Last update: 2018-03-05 10:18    [W:0.035 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site