diff options
Diffstat (limited to 'usr.sbin/cpucontrol/cpucontrol.8')
| -rw-r--r-- | usr.sbin/cpucontrol/cpucontrol.8 | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/usr.sbin/cpucontrol/cpucontrol.8 b/usr.sbin/cpucontrol/cpucontrol.8 index 91946d3..4af1273 100644 --- a/usr.sbin/cpucontrol/cpucontrol.8 +++ b/usr.sbin/cpucontrol/cpucontrol.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 30, 2009 +.Dd January 5, 2018 .Dt CPUCONTROL 8 .Os .Sh NAME @@ -36,44 +36,48 @@ device .Nm .Op Fl vh .Fl m Ar msr -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Fl m Ar msr Ns = Ns Ar value -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Fl m Ar msr Ns &= Ns Ar mask -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Fl m Ar msr Ns |= Ns Ar mask -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Fl i Ar level -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Fl i Ar level,level_type -.Bk .Ar device .Ek +.Bk .Nm .Op Fl vh .Op Fl d Ar datadir .Fl u +.Ar device +.Ek .Bk +.Nm +.Fl e .Ar device .Ek .Sh DESCRIPTION @@ -129,6 +133,20 @@ The .Nm utility will walk through the configured data directories and apply all firmware updates available for this CPU. +.It Fl e +Re-evaluate the kernel flags indicating the present CPU features. +This command is typically executed after a firmware update was applied +which changes information reported by the +.Dv CPUID +instruction. +.Pp +.Bf -symbolic +Only execute the +.Fl e +command after the microcode update was applied to all CPUs in the system. +The kernel does not operate correctly if the features of processors are +not identical. +.Ef .It Fl v Increase the verbosity level. .It Fl h |
