On Sunday, 21. March 2010, Stephan Windmüller wrote:
> Die Frage ist ja: Was genau betrifft "maxcpus=1" überhaupt?
> Passiert da noch mehr als nur SMP abzuschalten?
linux/Documentation/kernel-parameters.txt
maxcpus= [SMP] Maximum number of processors that an SMP kernel
should make use of. maxcpus=n : n >= 0 limits the
kernel to using 'n' processors. n=0 is a special case,
it is equivalent to "nosmp", which also disables
the IO APIC.