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    SubjectRe: [PATCH] Use x2apic_supported() in the default_apic_id_valid() function.
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    On Thu, Mar 15, 2012 at 11:03 AM, Steffen Persvold <sp@numascale.com> wrote:
    > Use x2apic_supported() in the default_apic_id_valid() function. If x2apic mode is disabled (via nox2apic for example), x2apic_supported() will return false.
    >
    > This allows us to substitute the check in arch/x86/kernel/acpi/boot.c::acpi_parse_x2apic and avoid feigning the x2apic cpu feature in the NumaChip apic code.
    >
    > Signed-off-by: Steffen Persvold <sp@numascale.com>
    > Reviewed-by: Daniel J Blueman <daniel@numascale-asia.com>

    I double checked on system with x2apic preenabled,
    nox2apic in boot command line still works well and it
    skips starting APs with apic id > 255.

    Acked-by: Yinghai Lu <yinghai@kernel.org>


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