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SubjectRe: [RFC] Splitting out kernel<=>userspace ABI headers
Kyle Moffett wrote:
>
> My far-into-the-future ideal for this is to have a generic vDSO-type
> library that is compiled into the kernel that provides a collection of
> architecture-optimized routines available in both kernelspace and
> userspace by mapping it into each process' address space. Such a
> library could effectively automatically provide correct and optimized
> assembly routines for the currently booted CPU/arch/subarch/etc, so
> that userspace tools could be compiled once and run on an entire
> family of CPUs without modification. On the other hand, for those
> applications that need every last ounce of speed (Including parts of
> the kernel), you could pass appropriate options to the compiler to
> tell it to inline the assembly routines (alternative) for a single
> CPU make/model.
>

I don't see why this should be compiled into the kernel.

-hpa
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