Messages in this thread | | | Subject | Re: [RFC 4/4]x86: avoid tlbstate lock if no enough cpus | From | Eric Dumazet <> | Date | Wed, 03 Nov 2010 08:12:10 +0100 |
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Le mercredi 03 novembre 2010 à 15:06 +0800, Shaohua Li a écrit : > just don't want to include the non-present cpus here. I wonder why we > haven't a variable to record online cpu number.
What prevents a 256 cpus machine, to have 8 online cpus that all use the same TLB vector ?
(Max 32 vectors, so 8 cpus share each vector, settled at boot time)
Forget about 'online', and think 'possible' ;)
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