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| author | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
| commit | ec57e2f0acb01710cd465bc04495ed03a9e0fea1 (patch) | |
| tree | 9f45889ba31b750f99fd3d0b625684d9b4cd4f17 /kernel/sched/debug.c | |
| parent | 4766ab5677a2842834f9bc4a21587256a811531c (diff) | |
| parent | 72a9c673636b779e370983fea08e40f97039b981 (diff) | |
| download | linux-ec57e2f0acb01710cd465bc04495ed03a9e0fea1.tar.gz | |
Merge branch 'x86/build' into locking/core, to pick up dependent patches and unify jump-label work
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 60caf1fb94e0..6383aa6a60ca 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -89,12 +89,12 @@ struct static_key sched_feat_keys[__SCHED_FEAT_NR] = { static void sched_feat_disable(int i) { - static_key_disable(&sched_feat_keys[i]); + static_key_disable_cpuslocked(&sched_feat_keys[i]); } static void sched_feat_enable(int i) { - static_key_enable(&sched_feat_keys[i]); + static_key_enable_cpuslocked(&sched_feat_keys[i]); } #else static void sched_feat_disable(int i) { }; @@ -146,9 +146,11 @@ sched_feat_write(struct file *filp, const char __user *ubuf, /* Ensure the static_key remains in a consistent state */ inode = file_inode(filp); + cpus_read_lock(); inode_lock(inode); ret = sched_feat_set(cmp); inode_unlock(inode); + cpus_read_unlock(); if (ret < 0) return ret; |