Re: [PATCH] cpuid x87 bit on AMD falsely marked as PNI

On Wednesday 27 April 2005 04:20, Zwane Mwaikambo wrote:
> http://bugme.osdl.org/show_bug.cgi?id=4426
> 
> vendor_id       : AuthenticAMD
> cpu family      : 6
> model           : 10
> model name      : AMD Athlon(tm) XP
> stepping        : 0
> cpu MHz         : 2204.807
> <snipped>
> cpuid level     : 1
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 mmx fxsr sse pni syscall mmxext 3dnowext 3dnow
> bogomips        : 4358.14
> 
> We're marking bit 0 of extended function 0x80000001 cpuid as PNI support 
> on AMD processors, when it actually denotes x87 FPU present. Patch for 
> i386 and x86_64 below.

I just yesterday noticed that my Athlon (non-64bit) has 'pni' in CPU
flags and was very puzzled.

Thanks Zwane.
--
vda

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