diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpu.c | 4 | ||||
| -rw-r--r-- | kernel/profile.c | 14 | ||||
| -rw-r--r-- | kernel/sched.c | 2 |
3 files changed, 17 insertions, 3 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 241064a3224..7406fe6966f 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -204,7 +204,7 @@ int cpu_down(unsigned int cpu) #endif /*CONFIG_HOTPLUG_CPU*/ /* Requires cpu_add_remove_lock to be held */ -static int __devinit _cpu_up(unsigned int cpu) +static int __cpuinit _cpu_up(unsigned int cpu) { int ret; void *hcpu = (void *)(long)cpu; @@ -239,7 +239,7 @@ out_notify: return ret; } -int __devinit cpu_up(unsigned int cpu) +int __cpuinit cpu_up(unsigned int cpu) { int err = 0; diff --git a/kernel/profile.c b/kernel/profile.c index 11550b2290b..a6574a18514 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -40,7 +40,10 @@ int (*timer_hook)(struct pt_regs *) __read_mostly; static atomic_t *prof_buffer; static unsigned long prof_len, prof_shift; + int prof_on __read_mostly; +EXPORT_SYMBOL_GPL(prof_on); + static cpumask_t prof_cpu_mask = CPU_MASK_ALL; #ifdef CONFIG_SMP static DEFINE_PER_CPU(struct profile_hit *[2], cpu_profile_hits); @@ -52,6 +55,7 @@ static int __init profile_setup(char * str) { static char __initdata schedstr[] = "schedule"; static char __initdata sleepstr[] = "sleep"; + static char __initdata kvmstr[] = "kvm"; int par; if (!strncmp(str, sleepstr, strlen(sleepstr))) { @@ -72,6 +76,15 @@ static int __init profile_setup(char * str) printk(KERN_INFO "kernel schedule profiling enabled (shift: %ld)\n", prof_shift); + } else if (!strncmp(str, kvmstr, strlen(kvmstr))) { + prof_on = KVM_PROFILING; + if (str[strlen(kvmstr)] == ',') + str += strlen(kvmstr) + 1; + if (get_option(&str, &par)) + prof_shift = par; + printk(KERN_INFO + "kernel KVM profiling enabled (shift: %ld)\n", + prof_shift); } else if (get_option(&str, &par)) { prof_shift = par; prof_on = CPU_PROFILING; @@ -318,6 +331,7 @@ out: local_irq_restore(flags); put_cpu(); } +EXPORT_SYMBOL_GPL(profile_hits); static int __devinit profile_cpu_callback(struct notifier_block *info, unsigned long action, void *__cpu) diff --git a/kernel/sched.c b/kernel/sched.c index 3df33da0daf..cca93cc0dd7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6865,7 +6865,7 @@ void __init sched_init_smp(void) lock_cpu_hotplug(); arch_init_sched_domains(&cpu_online_map); - cpus_andnot(non_isolated_cpus, cpu_online_map, cpu_isolated_map); + cpus_andnot(non_isolated_cpus, cpu_possible_map, cpu_isolated_map); if (cpus_empty(non_isolated_cpus)) cpu_set(smp_processor_id(), non_isolated_cpus); unlock_cpu_hotplug(); |