diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/include/asm/cpu_device_id.h | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/match.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h index e4121d9aa9e1..9c77dbee96a7 100644 --- a/arch/x86/include/asm/cpu_device_id.h +++ b/arch/x86/include/asm/cpu_device_id.h @@ -278,5 +278,6 @@ struct x86_cpu_desc { extern const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match); extern bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table); +extern bool x86_match_min_microcode_rev(const struct x86_cpu_id *table); #endif /* _ASM_X86_CPU_DEVICE_ID */ diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c index 8e7de733320a..2de2a83a7e12 100644 --- a/arch/x86/kernel/cpu/match.c +++ b/arch/x86/kernel/cpu/match.c @@ -86,3 +86,14 @@ bool x86_cpu_has_min_microcode_rev(const struct x86_cpu_desc *table) return true; } EXPORT_SYMBOL_GPL(x86_cpu_has_min_microcode_rev); + +bool x86_match_min_microcode_rev(const struct x86_cpu_id *table) +{ + const struct x86_cpu_id *res = x86_match_cpu(table); + + if (!res || res->driver_data > boot_cpu_data.microcode) + return false; + + return true; +} +EXPORT_SYMBOL_GPL(x86_match_min_microcode_rev); |