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author | Jens Axboe <axboe@fb.com> | 2014-04-15 20:02:24 (GMT) |
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committer | Jens Axboe <axboe@fb.com> | 2014-04-15 20:02:24 (GMT) |
commit | f89e0dd9d1a72fdf6b8958bcadfa6abf84f3cae0 (patch) | |
tree | 6d4ca8c67dc22d1c81053392078588f9ab3804b5 /arch/x86/kernel/msr.c | |
parent | 21f9fcd81593e201172160853b8647336fb81f4f (diff) | |
parent | c9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff) | |
download | linux-f89e0dd9d1a72fdf6b8958bcadfa6abf84f3cae0.tar.xz |
Merge tag 'v3.15-rc1' into for-3.16/core
We don't like this, but things have diverged with the blk-mq fixes
in 3.15-rc1. So merge it in.
Diffstat (limited to 'arch/x86/kernel/msr.c')
-rw-r--r-- | arch/x86/kernel/msr.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 05266b5..c9603ac 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -259,14 +259,15 @@ static int __init msr_init(void) goto out_chrdev; } msr_class->devnode = msr_devnode; - get_online_cpus(); + + cpu_notifier_register_begin(); for_each_online_cpu(i) { err = msr_device_create(i); if (err != 0) goto out_class; } - register_hotcpu_notifier(&msr_class_cpu_notifier); - put_online_cpus(); + __register_hotcpu_notifier(&msr_class_cpu_notifier); + cpu_notifier_register_done(); err = 0; goto out; @@ -275,7 +276,7 @@ out_class: i = 0; for_each_online_cpu(i) msr_device_destroy(i); - put_online_cpus(); + cpu_notifier_register_done(); class_destroy(msr_class); out_chrdev: __unregister_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr"); @@ -286,13 +287,14 @@ out: static void __exit msr_exit(void) { int cpu = 0; - get_online_cpus(); + + cpu_notifier_register_begin(); for_each_online_cpu(cpu) msr_device_destroy(cpu); class_destroy(msr_class); __unregister_chrdev(MSR_MAJOR, 0, NR_CPUS, "cpu/msr"); - unregister_hotcpu_notifier(&msr_class_cpu_notifier); - put_online_cpus(); + __unregister_hotcpu_notifier(&msr_class_cpu_notifier); + cpu_notifier_register_done(); } module_init(msr_init); |