[PATCH 2/2] [Maverick] UBUNTU: [Config] Enable CONFIG_X86_X2APIC

[Tim Gardner]

On 06/22/2010 06:54 PM, Leann Ogasawara wrote:
> The x2APIC architecture provides a new x2apic mode, which allows for the
> increased range of processor addressability (>  8 bit apic ID support),
> MSR access to APIC registers, etc. The x2apic specification can be found
> at:
>
> http://download.intel.com/design/processor/specupdt/318148.pdf
>
> It's been requested (I've CC'd Yinying) that we enable the
> CONFIG_X86_X2APIC option in Maverick:
>
> BugLink: http://bugs.launchpad.net/bugs/597091
>
> config X86_X2APIC
>          bool "Support x2apic"
>          depends on X86_LOCAL_APIC&&  X86_64&&  INTR_REMAP
>          ---help---
>            This enables x2apic support on CPUs that have this feature.
>
>            This allows 32-bit apic IDs (so it can support very large systems),
>            and accesses the local apic via MSRs not via mmio.
>
>            If you don't know what to do here, say N.
> =====
>

The URL you've noted does not seem to be valid.

rtg
-- 
Tim Gardner tim.gardner at canonical.com