diff options
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 86e5e4e26fcb..990167357c34 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -76,4 +76,22 @@ static inline void init_ia32_feat_ctl(struct cpuinfo_x86 *c) {} extern __noendbr void cet_disable(void); +struct ucode_cpu_info; + +int intel_cpu_collect_info(struct ucode_cpu_info *uci); + +static inline bool intel_cpu_signatures_match(unsigned int s1, unsigned int p1, + unsigned int s2, unsigned int p2) +{ + if (s1 != s2) + return false; + + /* Processor flags are either both 0 ... */ + if (!p1 && !p2) + return true; + + /* ... or they intersect. */ + return p1 & p2; +} + #endif /* _ASM_X86_CPU_H */ |