diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/mce.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce-severity.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 20 |
3 files changed, 19 insertions, 6 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 3a17107594c8..550f2c95dc1e 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -214,6 +214,8 @@ static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) { } static inline int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr) { return -EINVAL; }; #endif +static inline void mce_hygon_feature_init(struct cpuinfo_x86 *c) { return mce_amd_feature_init(c); } + int mce_available(struct cpuinfo_x86 *c); bool mce_is_memory_error(struct mce *m); diff --git a/arch/x86/kernel/cpu/mcheck/mce-severity.c b/arch/x86/kernel/cpu/mcheck/mce-severity.c index f34d89c01edc..44396d521987 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-severity.c +++ b/arch/x86/kernel/cpu/mcheck/mce-severity.c @@ -336,7 +336,8 @@ int (*mce_severity)(struct mce *m, int tolerant, char **msg, bool is_excp) = void __init mcheck_vendor_init_severity(void) { - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD || + boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) mce_severity = mce_severity_amd; } diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 953b3ce92dcc..909f1d75165c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -270,7 +270,7 @@ static void print_mce(struct mce *m) { __print_mce(m); - if (m->cpuvendor != X86_VENDOR_AMD) + if (m->cpuvendor != X86_VENDOR_AMD && m->cpuvendor != X86_VENDOR_HYGON) pr_emerg_ratelimited(HW_ERR "Run the above through 'mcelog --ascii'\n"); } @@ -508,9 +508,9 @@ static int mce_usable_address(struct mce *m) bool mce_is_memory_error(struct mce *m) { - if (m->cpuvendor == X86_VENDOR_AMD) { + if (m->cpuvendor == X86_VENDOR_AMD || + m->cpuvendor == X86_VENDOR_HYGON) { return amd_mce_is_memory_error(m); - } else if (m->cpuvendor == X86_VENDOR_INTEL) { /* * Intel SDM Volume 3B - 15.9.2 Compound Error Codes @@ -539,6 +539,9 @@ static bool mce_is_correctable(struct mce *m) if (m->cpuvendor == X86_VENDOR_AMD && m->status & MCI_STATUS_DEFERRED) return false; + if (m->cpuvendor == X86_VENDOR_HYGON && m->status & MCI_STATUS_DEFERRED) + return false; + if (m->status & MCI_STATUS_UC) return false; @@ -1705,7 +1708,7 @@ static int __mcheck_cpu_ancient_init(struct cpuinfo_x86 *c) */ static void __mcheck_cpu_init_early(struct cpuinfo_x86 *c) { - if (c->x86_vendor == X86_VENDOR_AMD) { + if (c->x86_vendor == X86_VENDOR_AMD || c->x86_vendor == X86_VENDOR_HYGON) { mce_flags.overflow_recov = !!cpu_has(c, X86_FEATURE_OVERFLOW_RECOV); mce_flags.succor = !!cpu_has(c, X86_FEATURE_SUCCOR); mce_flags.smca = !!cpu_has(c, X86_FEATURE_SMCA); @@ -1746,6 +1749,11 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c) mce_amd_feature_init(c); break; } + + case X86_VENDOR_HYGON: + mce_hygon_feature_init(c); + break; + case X86_VENDOR_CENTAUR: mce_centaur_feature_init(c); break; @@ -1971,12 +1979,14 @@ static void mce_disable_error_reporting(void) static void vendor_disable_error_reporting(void) { /* - * Don't clear on Intel or AMD CPUs. Some of these MSRs are socket-wide. + * Don't clear on Intel or AMD or Hygon CPUs. Some of these MSRs + * are socket-wide. * Disabling them for just a single offlined CPU is bad, since it will * inhibit reporting for all shared resources on the socket like the * last level cache (LLC), the integrated memory controller (iMC), etc. */ if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL || + boot_cpu_data.x86_vendor == X86_VENDOR_HYGON || boot_cpu_data.x86_vendor == X86_VENDOR_AMD) return; |