Re: booting "nosmp" kernel causing ACPI errors

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is there a request to fix something here?

My preferred "fix" would be to delegte the "nosmp" boot option
and to make "maxcpus=0" be a synomym for "maxcpus=1".

nosmp was originally implemented to disable MPS,
which supplied both SMP, and IOAPIC support.
MPS is largely gone these days, replaced by ACPI
about 15 years ago.

It seems that when people use "nosmp" today, they expect
it to work like "maxcpus=1", but are surprised
that it effectively adds "noapic".

thanks,
Len Brown, Intel Open Source Technology Center

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