From: Yinghai Lu Date: Wed, 30 Jan 2008 12:30:46 +0000 (+0100) Subject: x86: set cpu_index to nr_cpus instead of 0 X-Git-Tag: v2.6.25-rc1~1143^2~718 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=949ec325c79add68af13705b68a885a1efb84234;p=pandora-kernel.git x86: set cpu_index to nr_cpus instead of 0 Some BIOSes that support two/four dualcore/quadcore systems, will get: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Processor #0 15:1 APIC version 16 ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Processor #1 15:1 APIC version 16 ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) Processor #2 15:1 APIC version 16 ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled) Processor #3 15:1 APIC version 16 ACPI: LAPIC (acpi_id[0x05] lapic_id[0x84] disabled) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x85] disabled) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x86] disabled) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x87] disabled) ACPI: LAPIC (acpi_id[0x09] lapic_id[0x88] disabled) ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x89] disabled) ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x8a] disabled) ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x8b] disabled) ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x8c] disabled) ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x8d] disabled) ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x8e] disabled) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x8f] disabled) SMP: Allowing 16 CPUs, 12 hotplug CPUs the /proc/cpuinfo will show a bunch of NULL cpus with cpu_index=0 so assign impossible cpu_index value at first instead of 0. Signed-off-by: Yinghai Lu Cc: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- Reading git-diff-tree failed