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SubjectRe: [RFC PATCH 1/5] use nr_cpus= to set nr_cpu_ids early
Trouble is that NR_CPUS is used all over the place. If nr_cpu_ids <
NR_CPUS at boot then there is a danger of for loops to NR_CPUS going out
of
bounds.

CONFIG_NR_CPUS is used for various bitmaps so that seems to be
okay.

drivers/acpi/numa.c:acpi_numa_init probably should use nr_cpu_ids
instead now.

There is an octeon driver in staging that has some issues with NR_CPUS as
well.






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