Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: MSR support for x86 | Date | Fri, 28 Feb 1997 12:25:35 -0800 (PST) |
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> On 28 Feb 1997, H. Peter Anvin wrote: > > > This is an interesting suggestion :) > > > If we implement this, it should be tightly secured since any user could > > > mess around with the 2nd level cache. A possible application could be a > > > CPU manager! > > > > > > > I think letting any non-root user messing with the MSRs or anything > > like that is asking for trouble in a big way. /dev/msr definitely > > should be a root-only device! > > > > -hpa > > I'm not a security expert, but isn't it enough to set permissions to > something like crw------- ? >
That's a root-only device...
-hpa
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