diff options
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 87b1d4c0727e..fc0350fe8f5e 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -68,9 +68,13 @@ extern u16 __read_mostly tlb_lld_2m; extern u16 __read_mostly tlb_lld_4m; extern u16 __read_mostly tlb_lld_1g; -/* - * CPU type and hardware bug flags. Kept separately for each CPU. - */ +enum x86_topology_cpu_type { + /* X86_CPU_TYPE_ANY */ + TOPO_CPU_TYPE_ANY = 0, + TOPO_CPU_TYPE_PERFORMANCE, + TOPO_CPU_TYPE_EFFICIENCY, + TOPO_CPU_TYPE_UNKNOWN, +}; struct cpuinfo_topology { // Real APIC ID read from the local APIC @@ -104,7 +108,7 @@ struct cpuinfo_topology { // Hardware defined CPU-type union { - u32 cpu_type; + u32 hw_cpu_type; struct { // CPUID.1A.EAX[23-0] u32 intel_native_model_id :24; @@ -119,8 +123,14 @@ struct cpuinfo_topology { amd_type :4; }; }; + + // Linux vendor-agnostic CPU type + enum x86_topology_cpu_type cpu_type; }; +/* + * CPU type and hardware bug flags. Kept separately for each CPU. + */ struct cpuinfo_x86 { union { /* |