diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu.c | 11 | ||||
| -rw-r--r-- | kernel/lockdep_proc.c | 16 |
2 files changed, 17 insertions, 10 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index cb7a1efa9c2b..156cc5556140 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -384,6 +384,14 @@ out: #ifdef CONFIG_PM_SLEEP_SMP static cpumask_var_t frozen_cpus; +void __weak arch_disable_nonboot_cpus_begin(void) +{ +} + +void __weak arch_disable_nonboot_cpus_end(void) +{ +} + int disable_nonboot_cpus(void) { int cpu, first_cpu, error = 0; @@ -395,6 +403,7 @@ int disable_nonboot_cpus(void) * with the userspace trying to use the CPU hotplug at the same time */ cpumask_clear(frozen_cpus); + arch_disable_nonboot_cpus_begin(); printk("Disabling non-boot CPUs ...\n"); for_each_online_cpu(cpu) { @@ -410,6 +419,8 @@ int disable_nonboot_cpus(void) } } + arch_disable_nonboot_cpus_end(); + if (!error) { BUG_ON(num_online_cpus() > 1); /* Make sure the CPUs won't be enabled by someone else */ diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c index 59b76c8ce9d7..1969d2fc4b36 100644 --- a/kernel/lockdep_proc.c +++ b/kernel/lockdep_proc.c @@ -494,7 +494,6 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) namelen += 2; for (i = 0; i < LOCKSTAT_POINTS; i++) { - char sym[KSYM_SYMBOL_LEN]; char ip[32]; if (class->contention_point[i] == 0) @@ -503,15 +502,13 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) if (!i) seq_line(m, '-', 40-namelen, namelen); - sprint_symbol(sym, class->contention_point[i]); snprintf(ip, sizeof(ip), "[<%p>]", (void *)class->contention_point[i]); - seq_printf(m, "%40s %14lu %29s %s\n", name, - stats->contention_point[i], - ip, sym); + seq_printf(m, "%40s %14lu %29s %pS\n", + name, stats->contention_point[i], + ip, (void *)class->contention_point[i]); } for (i = 0; i < LOCKSTAT_POINTS; i++) { - char sym[KSYM_SYMBOL_LEN]; char ip[32]; if (class->contending_point[i] == 0) @@ -520,12 +517,11 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) if (!i) seq_line(m, '-', 40-namelen, namelen); - sprint_symbol(sym, class->contending_point[i]); snprintf(ip, sizeof(ip), "[<%p>]", (void *)class->contending_point[i]); - seq_printf(m, "%40s %14lu %29s %s\n", name, - stats->contending_point[i], - ip, sym); + seq_printf(m, "%40s %14lu %29s %pS\n", + name, stats->contending_point[i], + ip, (void *)class->contending_point[i]); } if (i) { seq_puts(m, "\n"); |