> Both of these would indicate I have a 32bit processor, but this is > only what the kernel is reporting, not what is truly there. > > As far as /proc/cpuinfo, the only 64 listed is in the clflush size. > Maybe this is a good indicator. The AMD processors are so much > easier as they all say "Athlon 64" in the model name. Intel is not > quite so nice in this regard.
I have an Athlon 64 running on a 32-bit kernel, and clflush still reports 64: model name : AMD Athlon(tm) 64 Processor 3800+ clflush size : 64 So the four data points we have all indicate that "clflush size" shows the processor bit-itude, regardless of the kernel. Jeff
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