diff options
| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2008-08-23 17:47:10 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-23 17:47:10 +0200 |
| commit | bbb65d2d365efe9951290e61678dcf81ec60add4 (patch) | |
| tree | f3eacf1b1313d729e084064ed6dda5db64522bf4 /arch/x86/kernel/genx2apic_cluster.c | |
| parent | 87ce786ae5f24e336195805a9fc7428a6f922478 (diff) | |
x86: use cpuid vector 0xb when available for detecting cpu topology
cpuid leaf 0xb provides extended topology enumeration. This interface provides
the 32-bit x2APIC id of the logical processor and it also provides a new
mechanism to detect SMT and core siblings (which provides increased
addressability).
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/genx2apic_cluster.c')
0 files changed, 0 insertions, 0 deletions