Re: [patch 12/17] Immediate Values - Kconfig menu in EMBEDDED

[Rusty Russell]

On Thursday 10 April 2008 01:08:41 Mathieu Desnoyers wrote:
> +config IMMEDIATE
> +	default y if !DISABLE_IMMEDIATE

Wouldn't it be simlpler to roll DISABLE_IMMEDIATE into this?

ie.
	default y
	depends on HAVE_IMMEDIATE
	bool "Immediate value optimization" if EMBEDDED
	help
	  Immediate values are used as read-mostly variables that are rarely
	  updated. They use code patching to modify the values inscribed in the
	  instruction stream. It provides a way to save precious cache lines
	  that would otherwise have to be used by these variables.

	  It consumes slightly more memory and requires to modify the instruction
	  stream each time a variable is updated. Should really be disabled for
	  embedded systems with read-only text.

Cheers,
Rusty.
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