Jan Kiszka wrote:
> The approach is generally fine, but you have to take measures to avoid
> using cmove on CPUs that don't support it. They may be still around
> (older VIA C3 e.g.).
The kernel has a #define and in user-space, we would have to add a
configure option, and we can test in /proc/cpuinfo if the instruction is
supported by the processor.
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