diff options
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 63 |
1 files changed, 39 insertions, 24 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index a3669a7774ed..ae81a7191c1c 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -75,11 +75,36 @@ extern u16 __read_mostly tlb_lld_4m[NR_INFO]; extern u16 __read_mostly tlb_lld_1g[NR_INFO]; /* - * CPU type and hardware bug flags. Kept separately for each CPU. - * Members of this structure are referenced in head_32.S, so think twice - * before touching them. [mj] + * CPU type and hardware bug flags. Kept separately for each CPU. */ +struct cpuinfo_topology { + // Real APIC ID read from the local APIC + u32 apicid; + // The initial APIC ID provided by CPUID + u32 initial_apicid; + + // Physical package ID + u32 pkg_id; + + // Physical die ID on AMD, Relative on Intel + u32 die_id; + + // Compute unit ID - AMD specific + u32 cu_id; + + // Core ID relative to the package + u32 core_id; + + // Logical ID mappings + u32 logical_pkg_id; + u32 logical_die_id; + + // Cache level topology IDs + u32 llc_id; + u32 l2c_id; +}; + struct cpuinfo_x86 { __u8 x86; /* CPU family */ __u8 x86_vendor; /* CPU vendor */ @@ -96,7 +121,6 @@ struct cpuinfo_x86 { __u8 x86_phys_bits; /* CPUID returned core id bits: */ __u8 x86_coreid_bits; - __u8 cu_id; /* Max extended CPUID function supported: */ __u32 extended_cpuid_level; /* Maximum supported CPUID level, -1=no CPUID: */ @@ -112,6 +136,7 @@ struct cpuinfo_x86 { }; char x86_vendor_id[16]; char x86_model_id[64]; + struct cpuinfo_topology topo; /* in KB - valid for CPUS which support this call: */ unsigned int x86_cache_size; int x86_cache_alignment; /* In bytes */ @@ -125,19 +150,9 @@ struct cpuinfo_x86 { u64 ppin; /* cpuid returned max cores value: */ u16 x86_max_cores; - u16 apicid; - u16 initial_apicid; u16 x86_clflush_size; /* number of cores as seen by the OS: */ u16 booted_cores; - /* Physical processor id: */ - u16 phys_proc_id; - /* Logical processor id: */ - u16 logical_proc_id; - /* Core id: */ - u16 cpu_core_id; - u16 cpu_die_id; - u16 logical_die_id; /* Index into per_cpu list: */ u16 cpu_index; /* Is SMT active on this core? */ @@ -399,7 +414,7 @@ static inline unsigned long cpu_kernelmode_gs_base(int cpu) return (unsigned long)per_cpu(fixed_percpu_data.gs_base, cpu); } -extern asmlinkage void ignore_sysret(void); +extern asmlinkage void entry_SYSCALL32_ignore(void); /* Save actual FS/GS selectors and bases to current->thread */ void current_save_fsgs(void); @@ -678,7 +693,15 @@ extern int set_tsc_mode(unsigned int val); DECLARE_PER_CPU(u64, msr_misc_features_shadow); -extern u16 get_llc_id(unsigned int cpu); +static inline u32 per_cpu_llc_id(unsigned int cpu) +{ + return per_cpu(cpu_info.topo.llc_id, cpu); +} + +static inline u32 per_cpu_l2c_id(unsigned int cpu) +{ + return per_cpu(cpu_info.topo.l2c_id, cpu); +} #ifdef CONFIG_CPU_SUP_AMD extern u32 amd_get_nodes_per_socket(void); @@ -724,14 +747,6 @@ enum mds_mitigations { MDS_MITIGATION_VMWERV, }; -#ifdef CONFIG_X86_SGX -int arch_memory_failure(unsigned long pfn, int flags); -#define arch_memory_failure arch_memory_failure - -bool arch_is_platform_page(u64 paddr); -#define arch_is_platform_page arch_is_platform_page -#endif - extern bool gds_ucode_mitigated(void); #endif /* _ASM_X86_PROCESSOR_H */ |