Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: CPU Management for Linux? | Date | 23 Mar 1999 06:48:54 GMT |
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Followup to: <Pine.BSF.4.03.9903221741010.1375-100000@funky.monkey.org> By author: Chuck Lever <cel@monkey.org> In newsgroup: linux.dev.kernel > > i would think there would be need to unconditionally and safely vary a CPU > offline, for example during a machine check. how hard could it be to > transparently transfer running processes to other CPUs? >
Trivial. Your typical SMP kernel does this several times a second. It is only if you allow the user to lock it down to a CPU that it matters.
-hpa
-- "The user's computer downloads the ActiveX code and simulates a 'Blue Screen' crash, a generally benign event most users are familiar with and that would not necessarily arouse suspicions." -- Security exploit description on http://www.zks.net/p3/how.aspb
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