linux-kernel - PATCH: enable PAT at Pentium M 1.7 GHz

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Date:	Fri, 08 Aug 2008 21:57:43 +0200
From:	"CIJOML" <cijoml@...ny.cz>
To:	linux-kernel@...r.kernel.org
Cc:	hpa@...or.com, mingo@...hat.com, tglx@...utronix.de
Subject: PATCH: enable PAT at Pentium M 1.7 GHz

Hi there, 

Sending oneliner enabling PAT at my Pentium M 1.7 GHz CPU. It simply works.
Thanks for inclusion: 

 --- linux-2.6.26.2/arch/x86/kernel/cpu/addon_cpuid_features.c      
2008-08-08 21:52:20.000000000 +0200
+++ linux-2.6.26.2/arch/x86/kernel/cpu/addon_cpuid_features.c   2008-08-08 
21:41:17.000000000 +0200
@@ -59,7 +59,7 @@
                        return;
                break;
        case X86_VENDOR_INTEL:
 -               if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
+               if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 13))
                        return;
                break;
        } 

Listik:/usr/src# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 13
model name      : Intel(R) Pentium(R) M processor 1.70GHz
stepping        : 6
cpu MHz         : 600.000
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca cmov 
pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe bts est tm2
bogomips        : 1200.47
clflush size    : 64
power management: 


before:
Aug  8 19:08:27 Listik kernel: PAT disabled. Not yet verified on this CPU 
type. 


after:
Aug  8 21:43:34 Listik kernel: x86 PAT enabled: cpu 0, old 0x7040600070406, 
new 0x7010600070106 

Bye 

Michal
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