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Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/mce.c')
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 01213048f62f..fdd51b554355 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -183,6 +183,11 @@ void mce_log(struct mce *mce)
183 set_bit(0, &mce_need_notify); 183 set_bit(0, &mce_need_notify);
184} 184}
185 185
186void __weak decode_mce(struct mce *m)
187{
188 return;
189}
190
186static void print_mce(struct mce *m) 191static void print_mce(struct mce *m)
187{ 192{
188 printk(KERN_EMERG 193 printk(KERN_EMERG
@@ -205,6 +210,8 @@ static void print_mce(struct mce *m)
205 printk(KERN_EMERG "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", 210 printk(KERN_EMERG "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n",
206 m->cpuvendor, m->cpuid, m->time, m->socketid, 211 m->cpuvendor, m->cpuid, m->time, m->socketid,
207 m->apicid); 212 m->apicid);
213
214 decode_mce(m);
208} 215}
209 216
210static void print_mce_head(void) 217static void print_mce_head(void)
@@ -215,7 +222,10 @@ static void print_mce_head(void)
215static void print_mce_tail(void) 222static void print_mce_tail(void)
216{ 223{
217 printk(KERN_EMERG "This is not a software problem!\n" 224 printk(KERN_EMERG "This is not a software problem!\n"
218 "Run through mcelog --ascii to decode and contact your hardware vendor\n"); 225#if (!defined(CONFIG_EDAC) || !defined(CONFIG_CPU_SUP_AMD))
226 "Run through mcelog --ascii to decode and contact your hardware vendor\n"
227#endif
228 );
219} 229}
220 230
221#define PANIC_TIMEOUT 5 /* 5 seconds */ 231#define PANIC_TIMEOUT 5 /* 5 seconds */
@@ -1091,7 +1101,7 @@ void mce_log_therm_throt_event(__u64 status)
1091 */ 1101 */
1092static int check_interval = 5 * 60; /* 5 minutes */ 1102static int check_interval = 5 * 60; /* 5 minutes */
1093 1103
1094static DEFINE_PER_CPU(int, next_interval); /* in jiffies */ 1104static DEFINE_PER_CPU(int, mce_next_interval); /* in jiffies */
1095static DEFINE_PER_CPU(struct timer_list, mce_timer); 1105static DEFINE_PER_CPU(struct timer_list, mce_timer);
1096 1106
1097static void mcheck_timer(unsigned long data) 1107static void mcheck_timer(unsigned long data)
@@ -1110,7 +1120,7 @@ static void mcheck_timer(unsigned long data)
1110 * Alert userspace if needed. If we logged an MCE, reduce the 1120 * Alert userspace if needed. If we logged an MCE, reduce the
1111 * polling interval, otherwise increase the polling interval. 1121 * polling interval, otherwise increase the polling interval.
1112 */ 1122 */
1113 n = &__get_cpu_var(next_interval); 1123 n = &__get_cpu_var(mce_next_interval);
1114 if (mce_notify_irq()) 1124 if (mce_notify_irq())
1115 *n = max(*n/2, HZ/100); 1125 *n = max(*n/2, HZ/100);
1116 else 1126 else
@@ -1325,7 +1335,7 @@ static void mce_cpu_features(struct cpuinfo_x86 *c)
1325static void mce_init_timer(void) 1335static void mce_init_timer(void)
1326{ 1336{
1327 struct timer_list *t = &__get_cpu_var(mce_timer); 1337 struct timer_list *t = &__get_cpu_var(mce_timer);
1328 int *n = &__get_cpu_var(next_interval); 1338 int *n = &__get_cpu_var(mce_next_interval);
1329 1339
1330 if (mce_ignore_ce) 1340 if (mce_ignore_ce)
1331 return; 1341 return;
@@ -1925,7 +1935,7 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
1925 case CPU_DOWN_FAILED: 1935 case CPU_DOWN_FAILED:
1926 case CPU_DOWN_FAILED_FROZEN: 1936 case CPU_DOWN_FAILED_FROZEN:
1927 t->expires = round_jiffies(jiffies + 1937 t->expires = round_jiffies(jiffies +
1928 __get_cpu_var(next_interval)); 1938 __get_cpu_var(mce_next_interval));
1929 add_timer_on(t, cpu); 1939 add_timer_on(t, cpu);
1930 smp_call_function_single(cpu, mce_reenable_cpu, &action, 1); 1940 smp_call_function_single(cpu, mce_reenable_cpu, &action, 1);
1931 break; 1941 break;