On 5/16/19 2:12 AM, Karel Hendrych wrote:
> Hi,
>
> is there any guide for CPU microcode updates on CentOS6, Xen 4.10, kernel 4.9 ?
I'm not sure off the top of my head.
You can add ucode=scan to the xen command line, add a file /path/to/microcode_file as the last item in your boot list, and generate that microcode
file using something like:
iucode_tool --write-earlyfw "${OUT_BLOB_FILE}" \
"${TEMP_DIR_NAME}/intel-ucode" \
"${TEMP_DIR_NAME}/intel-ucode-with-caveats"
Where the last two items have been extracted from the intel microcode tarball.
--Sarah
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