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authorHeiko Carstens <heiko.carstens@de.ibm.com>2016-05-06 10:57:33 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-05-10 13:24:49 +0200
commit4c07a399f98278f2a784cdf71053c85a4082f4db (patch)
tree2e460162331470fbddc677d7f293472ff9134c45 /arch/s390/kernel/cache.c
parent281eaa8cb67c27e56da1e7fd6b55c6cd3e8c4638 (diff)
s390/cache: remove superfluous locking
With "s390/cpuinfo: simplify locking and skip offline cpus early" we prevent already that cpus will go away. The additional get_online_cpus() / put_online_cpus() within show_cacheinfo() is not needed anymore. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/cache.c')
-rw-r--r--arch/s390/kernel/cache.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index 8ba32436effe..77a84bd78be2 100644
--- a/arch/s390/kernel/cache.c
+++ b/arch/s390/kernel/cache.c
@@ -72,7 +72,6 @@ void show_cacheinfo(struct seq_file *m)
if (!test_facility(34))
return;
- get_online_cpus();
this_cpu_ci = get_cpu_cacheinfo(cpumask_any(cpu_online_mask));
for (idx = 0; idx < this_cpu_ci->num_leaves; idx++) {
cache = this_cpu_ci->info_list + idx;
@@ -86,7 +85,6 @@ void show_cacheinfo(struct seq_file *m)
seq_printf(m, "associativity=%d", cache->ways_of_associativity);
seq_puts(m, "\n");
}
- put_online_cpus();
}
static inline enum cache_type get_cache_type(struct cache_info *ci, int level)