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Re: Intel-Microcode 20180312 - Meltdown/Spectre

On Wed, 14 Mar 2018, mlnl wrote:
> under Debian Stretch i have updated the Microcode from Intel
> <https://downloadcenter.intel.com/download/27591/Linux-Processor-Microcode-Data-File?v=t>
> according to the readme
> <http://metadata.ftp-master.debian.org/changelogs/non-free/i/intel-microcode/unstable_README.Debian>
> instructions.

For the record, this microcode release was added to Debian unstable
today, and should be in your preferred mirror soon if it is not there

> [    0.000000] microcode: microcode updated early to revision 0x24, date
> = 2018-01-21
> [    0.640195] microcode: sig=0x306c3, pf=0x2, revision=0x24

Looks good.

> With a vanilla kernel compiled with Meltdown/Spectre
> mitigations, i get with spectre-meltdown-checker v0.35:


(note that some _Debian_ kernels might not enable IBRS/IBPB on Skylake
yet due to an outdated blacklist.  It will be fixed soon enough).

> No problems or performance losses so far.

Thanks for the report!

  Henrique Holschuh

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