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| author | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
| commit | 98cb621081705e2244ef6c265ff8a9f2208c7e2a (patch) | |
| tree | 6205be47a83d54d3e35e049b67973244120f8bd6 /drivers/s390/char/sclp_config.c | |
| parent | b844ff366f06a2bcecfbd053b4d4a472e670dec8 (diff) | |
| parent | 9dff0aa95a324e262ffb03f425d00e4751f3294e (diff) | |
| download | linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.tar.gz linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.tar.bz2 linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.zip | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/s390/char/sclp_config.c')
| -rw-r--r-- | drivers/s390/char/sclp_config.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 194ffd5c8580..039b2074db7e 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -60,7 +60,9 @@ static void sclp_cpu_capability_notify(struct work_struct *work) static void __ref sclp_cpu_change_notify(struct work_struct *work) { + lock_device_hotplug(); smp_rescan_cpus(); + unlock_device_hotplug(); } static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) |