Messages in this thread | | | Date | Thu, 15 Mar 2012 13:23:24 -0700 | Subject | Re: [PATCH] Use x2apic_supported() in the default_apic_id_valid() function. | From | Yinghai Lu <> |
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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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