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authorLen Brown <len.brown@intel.com>2007-08-16 03:34:22 -0400
committerLen Brown <len.brown@intel.com>2007-08-21 00:33:35 -0400
commit61ec7567db103d537329b0db9a887db570431ff4 (patch)
tree7287eb4bd00c09434fc2dd0babadfd0eb7ddc832 /lib/hweight.c
parent28e8351ac22de25034e048c680014ad824323c65 (diff)
ACPI: boot correctly with "nosmp" or "maxcpus=0"
In MPS mode, "nosmp" and "maxcpus=0" boot a UP kernel with IOAPIC disabled. However, in ACPI mode, these parameters didn't completely disable the IO APIC initialization code and boot failed. init/main.c: Disable the IO_APIC if "nosmp" or "maxcpus=0" undefine disable_ioapic_setup() when it doesn't apply. i386: delete ioapic_setup(), it was a duplicate of parse_noapic() delete undefinition of disable_ioapic_setup() x86_64: rename disable_ioapic_setup() to parse_noapic() to match i386 define disable_ioapic_setup() in header to match i386 http://bugzilla.kernel.org/show_bug.cgi?id=1641 Acked-by: Andi Kleen <ak@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'lib/hweight.c')
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