W dniu 05.09.2011 11:28, Andrew Stubbs pisze:

> Next question ... is /proc/cpuinfo really the best way to detect this?
> 
> I mean, is auxv a better approach? Or something else? What's the most
> efficient, and most stable API to read the CPU architecture, CPU model,
> and FPU/NEON availability?
> 
> There's some worry among the toolchain team that /proc/cpuinfo is a
> somewhat fragile and inefficient way to achieve this goal. Some insight
> from the kernel experts would be helpful!

Remember that there are cpus like imx51 to2 which have broken neon and
this is shown in /proc/cpuinfo (no neon flag for them). So using own
tests should also check what kernel has to say.

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