Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt.

[Pavel Machek]

Hi!

> 	config HZ
> 		int
> 		default 100 if HZ_100
> 		default 250 if HZ_250
> 		default 1000 if HZ_1000
> 
> and now you can just do
> 
> 	#define HZ CONFIG_HZ
> 
> or something. You can even maje the Kconfig parts be a separate Kconfig.HZ
> file, and have both the x86 and x86-64 Kconfig files just include the
> common part (since it's a generic issue, not even PC-related: we might
> want to allow things like 60Hz frequencies for CONFIG_EMBEDDED etc, and
> these choices are really valid on any system that allows for the timer to
> be reprogrammed)
> 
> The above is obviously totally untested, but it doesn't look any more
> complex than having a fairly ugly (and much less user-friendly) check at
> compile-time.

Please don't do this, CONFIG_NO_IDLE_HZ patches are better solution,
and they worked okay last time I tried them.
								Pavel
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