diff options
Diffstat (limited to 'drivers/s390/char/sclp_config.c')
| -rw-r--r-- | drivers/s390/char/sclp_config.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 194ffd5c8580..9cfbe3fc3dca 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -1,11 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> */ -#define KMSG_COMPONENT "sclp_config" -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#define pr_fmt(fmt) "sclp_config: " fmt #include <linux/init.h> #include <linux/errno.h> @@ -50,17 +48,19 @@ static void sclp_cpu_capability_notify(struct work_struct *work) s390_update_cpu_mhz(); pr_info("CPU capability may have changed\n"); - get_online_cpus(); + cpus_read_lock(); for_each_online_cpu(cpu) { dev = get_cpu_device(cpu); kobject_uevent(&dev->kobj, KOBJ_CHANGE); } - put_online_cpus(); + cpus_read_unlock(); } static void __ref sclp_cpu_change_notify(struct work_struct *work) { - smp_rescan_cpus(); + lock_device_hotplug(); + smp_rescan_cpus(false); + unlock_device_hotplug(); } static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) @@ -127,7 +127,7 @@ out: } static ssize_t sysfs_ofb_data_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, + const struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) { int rc; |