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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:47:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:47:52 +0100 |
| commit | 4f16d4e0c9a4b20d9f0db365587b96d6001efd7d (patch) | |
| tree | fa25dcf285b26f1fac2bf267d0d1cd2c4eba90b8 /kernel/sys.c | |
| parent | 1e259e0a9982078896f3404240096cbea01daca4 (diff) | |
| parent | 6630125419ef37ff8781713c5e9d416f2a4ba357 (diff) | |
Merge branch 'perf/core' into perf/urgent
Merge reason: Switch from pre-merge topical split to the post-merge urgent track
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 26a6b73a6b85..18bde979f346 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -222,6 +222,7 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who) if (which > PRIO_USER || which < PRIO_PROCESS) return -EINVAL; + rcu_read_lock(); read_lock(&tasklist_lock); switch (which) { case PRIO_PROCESS: @@ -267,6 +268,7 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who) } out_unlock: read_unlock(&tasklist_lock); + rcu_read_unlock(); return retval; } |