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authorAndreas Herrmann <andreas.herrmann3@amd.com>2010-09-30 14:38:57 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2010-10-01 16:18:32 -0700
commit6057b4d331f19a3ea51aec463ea7839c128b3227 (patch)
tree0bcf33ac60389ab21781b565aaf5b5e8c0fa60d8 /arch/x86/include/asm/processor.h
parent23588c38a84c9175c6668789b64ffba4651e5c6a (diff)
x86, amd: Extract compute unit information for AMD CPUs
Get compute unit information from CPUID Fn8000_001E_EBX. (See AMD CPUID Specification - publication # 25481, revision 2.34, September 2010.) Note that each core on a compute unit still has a core_id of its own. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> LKML-Reference: <20100930123857.GE20545@loge.amd.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/processor.h')
-rw-r--r--arch/x86/include/asm/processor.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 325b7bdbeba..69e80c2ec6c 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -110,6 +110,8 @@ struct cpuinfo_x86 {
u16 phys_proc_id;
/* Core id: */
u16 cpu_core_id;
+ /* Compute unit id */
+ u8 compute_unit_id;
/* Index into per_cpu list: */
u16 cpu_index;
#endif