diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/mce.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 2d2e0b565a9..e8b893e880e 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -88,9 +88,10 @@ int mce_cmci_disabled __read_mostly; int mce_ignore_ce __read_mostly; int mce_ser __read_mostly; -static unsigned long notify_user; -static char trigger[128]; -static char *trigger_argv[2] = { trigger, NULL }; +/* User mode helper program triggered by machine check event */ +static unsigned long mce_need_notify; +static char mce_helper[128]; +static char *mce_helper_argv[2] = { mce_helper, NULL }; static unsigned long dont_init_banks; @@ -180,7 +181,7 @@ void mce_log(struct mce *mce) wmb(); mce->finished = 1; - set_bit(0, ¬ify_user); + set_bit(0, &mce_need_notify); } static void print_mce(struct mce *m) @@ -1122,7 +1123,7 @@ static void mcheck_timer(unsigned long data) static void mce_do_trigger(struct work_struct *work) { - call_usermodehelper(trigger, trigger_argv, NULL, UMH_NO_WAIT); + call_usermodehelper(mce_helper, mce_helper_argv, NULL, UMH_NO_WAIT); } static DECLARE_WORK(mce_trigger_work, mce_do_trigger); @@ -1139,7 +1140,7 @@ int mce_notify_irq(void) clear_thread_flag(TIF_MCE_NOTIFY); - if (test_and_clear_bit(0, ¬ify_user)) { + if (test_and_clear_bit(0, &mce_need_notify)) { wake_up_interruptible(&mce_wait); /* @@ -1147,7 +1148,7 @@ int mce_notify_irq(void) * work_pending is always cleared before the function is * executed. */ - if (trigger[0] && !work_pending(&mce_trigger_work)) + if (mce_helper[0] && !work_pending(&mce_trigger_work)) schedule_work(&mce_trigger_work); if (__ratelimit(&ratelimit)) @@ -1664,9 +1665,9 @@ static ssize_t set_bank(struct sys_device *s, struct sysdev_attribute *attr, static ssize_t show_trigger(struct sys_device *s, struct sysdev_attribute *attr, char *buf) { - strcpy(buf, trigger); + strcpy(buf, mce_helper); strcat(buf, "\n"); - return strlen(trigger) + 1; + return strlen(mce_helper) + 1; } static ssize_t set_trigger(struct sys_device *s, struct sysdev_attribute *attr, @@ -1675,10 +1676,10 @@ static ssize_t set_trigger(struct sys_device *s, struct sysdev_attribute *attr, char *p; int len; - strncpy(trigger, buf, sizeof(trigger)); - trigger[sizeof(trigger)-1] = 0; - len = strlen(trigger); - p = strchr(trigger, '\n'); + strncpy(mce_helper, buf, sizeof(mce_helper)); + mce_helper[sizeof(mce_helper)-1] = 0; + len = strlen(mce_helper); + p = strchr(mce_helper, '\n'); if (*p) *p = 0; |