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authorArnd Bergmann <arnd@arndb.de>2010-07-04 00:02:26 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-07-09 15:40:32 +0200
commit5e3d20a68f63fc5a310687d81956c3b96e488b84 (patch)
tree576da563442772fe7a492589c1e08c422ff02b1c /kernel/trace/trace.c
parent815c4163b6c8ebf8152f42b0a5fd015cfdcedc78 (diff)
init: Remove the BKL from startup code
I have shown by code review that no driver takes the BKL at init time any more, so whatever the init code was locking against is no longer there and it is now safe to remove the BKL there. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Steven Rostedt <rostedt@goodmis> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 086d36316805..8047ca5a8237 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -734,13 +734,6 @@ __acquires(kernel_lock)
return -1;
}
- /*
- * When this gets called we hold the BKL which means that
- * preemption is disabled. Various trace selftests however
- * need to disable and enable preemption for successful tests.
- * So we drop the BKL here and grab it after the tests again.
- */
- unlock_kernel();
mutex_lock(&trace_types_lock);
tracing_selftest_running = true;
@@ -822,7 +815,6 @@ __acquires(kernel_lock)
#endif
out_unlock:
- lock_kernel();
return ret;
}