Re: CPU detection broken in 2.5.27?

From: Patrick Mochel (mochel@osdl.org)
Date: Tue Jul 23 2002 - 14:14:08 EST


On Sun, 21 Jul 2002, Dave Jones wrote:

> On Sun, Jul 21, 2002 at 06:07:26PM +0200, Markus Pfeiffer wrote:
>
> > I just noticed that my /proc/cpuinfo states wrong or incomplete
> > information about my processor. My PIII-1000M Processor is reported as
> > 00/0B (Stepping?)
>
> Yep, I told Patrick about this last week sometime. The problem is
> that only later Intels (from P4 onwards iirc) have the
> name string cpuid function. Without which we need a table to
> do the family/model/stepping translation to name strings.
>
> It's not that much work (and most of it already exists in the
> kernels before the per-cpu split up).

Sorry about the delay in fixing this. The fix is really simple - just
re-add the ID tables for PIIIs. I also added one for P4s, since mine
wasn't getting automatically named. Though, I don't know what the code
name for the model is, so it just shows up as "Pentium 4 (Unknown)"...

        -pat

===== arch/i386/kernel/cpu/intel.c 1.3 vs edited =====
--- 1.3/arch/i386/kernel/cpu/intel.c Wed Jul 10 03:46:31 2002
+++ edited/arch/i386/kernel/cpu/intel.c Tue Jul 23 12:04:48 2002
@@ -350,6 +350,24 @@
                           [8] "Mobile Pentium MMX"
                   }
                 },
+ { X86_VENDOR_INTEL, 6,
+ {
+ [0] "Pentium Pro A-step",
+ [1] "Pentium Pro",
+ [3] "Pentium II (Klamath)",
+ [5] "Pentium II (Deschutes)",
+ [6] "Mobile Pentium II",
+ [7] "Pentium III (Katmai)",
+ [8] "Pentium III (Coppermine)",
+ [10] "Pentium III (Cascades)",
+ [11] "Pentium III (Tualatin)",
+ }
+ },
+ { X86_VENDOR_INTEL, 15,
+ {
+ [1] "Pentium 4 (Unknown)",
+ }
+ },
         },
         c_init: init_intel,
         c_identify: generic_identify,

-
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