Re: [PATCH 04/27] asm-generic: add legacy I/O header files

[Alan Cox]

> #ifndef CLOCK_TICK_RATE
> #define CLOCK_TICK_RATE                1193182
> #endif
> 
> to include/linux/timex.h. Since al existing architectures already define
> CLOCK_TICK_RATE as a macro, I don't see anything changing for them.
> 
> The only difference would be that all architectures that use the default
> value can have an empty timex.h.
> 
> Am I missing something?

Currently if you create a new architecture you have to figure out what
your equivalent tick rate is or you get an error for not defining it.
Ditto if you try to build code using it on platforms that it is
meaningless (eg S/390) you get an error.

You'd lose that rather useful property.

Alan
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