K 10 svn:author V 6 emaste K 8 svn:date V 27 2018-10-10T15:54:01.478759Z K 7 svn:log V 302 MFC r333569: cpucontrol: improve Intel microcode revision check According to the Intel SDM (Volme 3, 9.11.7) the BIOS signature MSR should be zeroed before executing cpuid (although in practice it does not seem to matter). PR: 192487 Submitted by: Dan Lukes Reported by: Henrique de Moraes Holschuh END