Optimize the first "SGI" OEM check to return faster if the system is not an SGI or UV system. Signed-off-by: Mike Travis Acked-by: Hedi Berriche Acked-by: Dimitri Sivanich --- arch/x86/kernel/apic/x2apic_uv_x.c | 3 +++ 1 file changed, 3 insertions(+) --- linux.orig/arch/x86/kernel/apic/x2apic_uv_x.c +++ linux/arch/x86/kernel/apic/x2apic_uv_x.c @@ -146,6 +146,9 @@ static int __init uv_acpi_madt_oem_check { int pnodeid, is_uv1, is_uv2, is_uv3; + if (strncmp(oem_id, "SGI", 3) != 0) + return 0; + is_uv1 = !strcmp(oem_id, "SGI"); is_uv2 = !strcmp(oem_id, "SGI2"); is_uv3 = !strncmp(oem_id, "SGI3", 4); /* there are varieties of UV3 */ -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/