[ltp] [patch 05/11] ibm-acpi: clean up fan_read

Stefan Schmidt linux-thinkpad@linux-thinkpad.org
Thu, 12 Oct 2006 00:57:37 +0200


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Hello.

On Mon, 2006-10-09 at 09:41, Henrique de Moraes Holschuh wrote:
>=20
> The patch also changes the userspace ABI to return "status: unavailable" =
when
> neither fan status or fan control are possible.

Change in meaning of extend or in meaining of remove old things and
add new?

Kernel hackers don't like remove old stuff from userspace ABI. Extend
is ok. You only have to make sure that it breaks no userspace
programs even old ones.

regards
Stefan Schmidt

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