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List:       9fans
Subject:    RE: [9fans] archmp
From:       jmk () plan9 ! bell-labs ! com
Date:       2004-11-24 16:02:15
Message-ID: b2308080c32c69a8e0db9d416bb6a6e5 () plan9 ! bell-labs ! com
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On Wed Nov 24 00:54:28 EST 2004, BHuntsman@mail2.cu-portland.edu wrote:

> Yes yes... now that's what I was looking for.  I was hunting for where I
> might be able to control (or at least know) on which cpu a program executes
> (or which parts on which cpus), and the memory issues that would result.
> It's all built-in, you say?  What happens if a cpu fails (or is removed)?
> (not that happens very often, (or ever, so far as I've seen) but it's a
> consideration...)  Thanks!!
>

There is currently no capabilility to remove a cpu from the set found at
startup on the x86 in Plan 9. It could be done, though. If a cpu fails you
are in deep trouble in so many ways it's not worth thinking about. That's
not to say we couldn't do a better job and add hot-swap for systems that
can do it.

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