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author | Ingo Molnar <mingo@kernel.org> | 2014-05-07 13:15:46 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-05-07 13:15:46 +0200 |
commit | 2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch) | |
tree | 9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /kernel/profile.c | |
parent | 08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff) | |
parent | 2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff) | |
download | blackbird-op-linux-2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc.tar.gz blackbird-op-linux-2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc.zip |
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/profile.c')
-rw-r--r-- | kernel/profile.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/kernel/profile.c b/kernel/profile.c index ebdd9c1a86b4..cb980f0c731b 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -591,18 +591,28 @@ out_cleanup: int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */ { struct proc_dir_entry *entry; + int err = 0; if (!prof_on) return 0; - if (create_hash_tables()) - return -ENOMEM; + + cpu_notifier_register_begin(); + + if (create_hash_tables()) { + err = -ENOMEM; + goto out; + } + entry = proc_create("profile", S_IWUSR | S_IRUGO, NULL, &proc_profile_operations); if (!entry) - return 0; + goto out; proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t)); - hotcpu_notifier(profile_cpu_callback, 0); - return 0; + __hotcpu_notifier(profile_cpu_callback, 0); + +out: + cpu_notifier_register_done(); + return err; } -module_init(create_proc_profile); +subsys_initcall(create_proc_profile); #endif /* CONFIG_PROC_FS */ |