Re: Discrepancies between /proc/cpuinfo and Dave J's x86info
H. Peter Anvin (firstname.lastname@example.org)
10 Jul 2001 21:44:42 -0700
Followup to: <email@example.com>
By author: Jonathan Lundell <firstname.lastname@example.org>
In newsgroup: linux.dev.kernel
> At 9:27 PM -0700 2001-07-10, H. Peter Anvin wrote:
> > > According to Dave J's utility the cpu's appear to be exactly the same
> >> just as the Intel boxes said when I bought them. What might be causing
> >> these values to be different. And if the BIOS is setting things up
> >> incorrectly then why does Dave J's utility show the correct values?
> >> Thanks for any help.
> >/proc/cpuinfo shows "cooked" values which may be modified by the
> >kernel, depending on what it knows about CPU errata or kernel
> Max cpuid level doesn't get cooked by the kernel, though (at least
> not in 2.4.6).
> Level 3 is the Intel's CPU serial number "feature". Didn't Intel back
> off on that? Maybe that has something to do with it, and perhaps the
> utility is doing the cooking.
Actually, the kernel kills it if it detects it.
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