Re: [incremental-PATCH-for-Sam's-Review] ACPI: use ccflags-y instead of EXTRA_CFLAGS

[Andi Kleen]

> It appears that the entire kernel is now built with -Os by default,

It's default in defconfig, but not necessarily in all configs people
are using.

> so it looks like this is now redundant in the default case and will
> have an effect only when somebody disables CONFIG_CC_OPTIMIZE_FOR_SIZE
> to build with -O2.
> 
> So I'm willing to delete -Os from the ACPI Makefile
> in the interest of simplicity.

I would keep it. In fact it might make sense to expand explicit -Os
to more subsystems.

-Andi

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