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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 16:11:28 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 16:11:28 -0800
commit138a6d7ea2deb3080116a4f99019e181b62e5ce5 (patch)
tree424622059405352935fbf1dde015a1e130b56198 /kernel/trace/trace_syscalls.c
parent4fc6069e7df873bda9baabe0fa9f0be23363159a (diff)
parent319e2e3f63c348a9b66db4667efa73178e18b17d (diff)
Merge 3.13-rc4 into char-misc-next
We want these fixes in here.
Diffstat (limited to 'kernel/trace/trace_syscalls.c')
-rw-r--r--kernel/trace/trace_syscalls.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index e4b6d11bdf78..ea90eb5f6f17 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -431,11 +431,6 @@ static void unreg_event_syscall_enter(struct ftrace_event_file *file,
if (!tr->sys_refcount_enter)
unregister_trace_sys_enter(ftrace_syscall_enter, tr);
mutex_unlock(&syscall_trace_lock);
- /*
- * Callers expect the event to be completely disabled on
- * return, so wait for current handlers to finish.
- */
- synchronize_sched();
}
static int reg_event_syscall_exit(struct ftrace_event_file *file,
@@ -474,11 +469,6 @@ static void unreg_event_syscall_exit(struct ftrace_event_file *file,
if (!tr->sys_refcount_exit)
unregister_trace_sys_exit(ftrace_syscall_exit, tr);
mutex_unlock(&syscall_trace_lock);
- /*
- * Callers expect the event to be completely disabled on
- * return, so wait for current handlers to finish.
- */
- synchronize_sched();
}
static int __init init_syscall_trace(struct ftrace_event_call *call)