The type of CPU is detected along with any optional floating-point unit (FPU) and stored away for later use.
然后会为任何可选的浮点单元(FPU)检测CPU的类型，并将其存储起来供以后使用。
When the kernel is executing floating point instructions, the FPU state is not saved.
当内核在执行浮点指令时，FPU状态不被保存。
When the kernel is executing floating point instructions, the FPU state is not saved.
当内核在执行浮点指令时，FPU状态不被保存。
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