Files
kernel_arpi/include/linux
Paul E. McKenney a25909a4d4 lockdep: Add an in_workqueue_context() lockdep-based test function
Some recent uses of RCU make use of workqueues.  In these uses, execution
within the context of a specific workqueue takes the place of the usual
RCU read-side primitives such as rcu_read_lock(), and flushing of workqueues
takes the place of the usual RCU grace-period primitives.  Checking for
correct use of rcu_dereference() in such cases requires a test of whether
the code is executing in the context of a particular workqueue.  This
commit adds an in_workqueue_context() function that provides this test.
This new function is only defined when lockdep is enabled, which allows
it to be used as the second argument of rcu_dereference_check().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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