tree 45fd32e811bd2c2cf5229bb71357d89c664033a9
parent daf7b9c9216e2b82e4c14b7248a85286dab021c3
author Suresh Siddha <suresh.b.siddha@intel.com> 1253327399 -0700
committer Ingo Molnar <mingo@elte.hu> 1253344805 +0200

x86, apic: Use logical flat on intel with <= 8 logical cpus

On Intel platforms, we can use logical flat mode if there are <= 8
logical cpu's (irrespective of physical apic id values). This will
enable simplified and efficient IPI and device interrupt routing on
such platforms.

Fix the relevant comments while we are at it.

We can clean up default_setup_apic_routing() by using apic->probe()
but that is a different item.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "yinghai@kernel.org" <yinghai@kernel.org>
LKML-Reference: <1253327399.3948.747.camel@sbs-t61.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>