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platform_kernel-5.15
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[S390] replace lock_cpu_hotplug with get_online_cpus 

Git commit 86ef5c9a8e forgot a few
lock_cpu_hotplug/unlock_cpu_hotplug pairs in arch/s390/kernel/smp.c

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2008-01-26 14:11:31 +01:00
parent 361f494d4e
commit 9d40d2e395
1 changed files with 6 additions and 6 deletions
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12
arch/s390/kernel/smp.c
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@ -568,9 +568,9 @@ static void __init smp_detect_cpus(void)
out: out:
kfree(info); kfree(info);
printk(KERN_INFO "CPUs: %d configured, %d standby\n", c_cpus, s_cpus); printk(KERN_INFO "CPUs: %d configured, %d standby\n", c_cpus, s_cpus);
lock_cpu_hotplug(); get_online_cpus();
smp_rescan_cpus(); smp_rescan_cpus();
unlock_cpu_hotplug(); put_online_cpus();
} }
/* /*
@ -872,7 +872,7 @@ static ssize_t cpu_configure_store(struct sys_device *dev, const char *buf,
return -EINVAL; return -EINVAL;
mutex_lock(&smp_cpu_state_mutex); mutex_lock(&smp_cpu_state_mutex);
lock_cpu_hotplug(); get_online_cpus();
rc = -EBUSY; rc = -EBUSY;
if (cpu_online(cpu)) if (cpu_online(cpu))
goto out; goto out;
@ -896,7 +896,7 @@ static ssize_t cpu_configure_store(struct sys_device *dev, const char *buf,
break; break;
} }
out: out:
unlock_cpu_hotplug(); put_online_cpus();
mutex_unlock(&smp_cpu_state_mutex); mutex_unlock(&smp_cpu_state_mutex);
return rc ? rc : count; return rc ? rc : count;
} }
@ -1044,7 +1044,7 @@ static ssize_t rescan_store(struct sys_device *dev, const char *buf,
int rc; int rc;
mutex_lock(&smp_cpu_state_mutex); mutex_lock(&smp_cpu_state_mutex);
lock_cpu_hotplug(); get_online_cpus();
newcpus = cpu_present_map; newcpus = cpu_present_map;
rc = smp_rescan_cpus(); rc = smp_rescan_cpus();
if (rc) if (rc)
@ -1057,7 +1057,7 @@ static ssize_t rescan_store(struct sys_device *dev, const char *buf,
} }
rc = 0; rc = 0;
out: out:
unlock_cpu_hotplug(); put_online_cpus();
mutex_unlock(&smp_cpu_state_mutex); mutex_unlock(&smp_cpu_state_mutex);
return rc ? rc : count; return rc ? rc : count;
} }