linux-kernel - Re: [PATCH v3 0/7] ACPI: Add

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Date:	Fri, 11 May 2012 10:09:38 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Toshi Kani <toshi.kani@...com>
Cc:	lenb@...nel.org, linux-acpi@...r.kernel.org, bhelgaas@...gle.com,
	shuahkhan@...il.com, liuj97@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/7] ACPI: Add _OST support for ACPI hotplug

Toshi Kani <toshi.kani@...com> writes:

> This patchset supports ACPI OSPM Status Indication (_OST) method for
> ACPI CPU/memory/container hotplug operations and sysfs eject. After
> ACPI hotplug operation has completed, OSPM calls _OST to indicate the
> result of the operation to the platform. If _OST is not present, this
> patchset has no effect on the platform.
>
> This _OST support can be enabled or disabled with a new config option
> CONFIG_ACPI_HOTPLUG_OST. This option is disabled by default. When
> this option is disabled, this patchset has no effect on the platform.

Does that control compiling in/out significant sized code?

Controlling code behaviour by CONFIG option has been long deprecated.
This is always better done as a runtime option.

Just think what should a distribution who wants to use the same binary
on all systems set.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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