Re: [PATCH 14/21] i386 Apm is on cpu zero only

From: H. Peter Anvin
Date: Tue Nov 08 2005 - 09:52:54 EST


Ingo Molnar wrote:
* Zachary Amsden <zach@xxxxxxxxxx> wrote:


APM BIOS code has a protective wrapper that runs it only on CPU zero. Thus, no need to set APM BIOS segments in the GDT for other CPUs.

hm, do we want (need) to have that CPU#0 assumption forever?


APM BIOS should only ever run on the BSP, and I believe in Linux the BSP is always 0. Since APM is obsolete, there is no future to consider.

-hpa
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