On Tue, Oct 06, 2015 at 09:13:42AM -0700, Paul E. McKenney wrote: > Currently, __srcu_read_lock() cannot be invoked from restricted > environments because it contains calls to preempt_disable() and > preempt_enable(), both of which can invoke lockdep, which is a bad > idea in some restricted execution modes. This commit therefore moves > the preempt_disable() and preempt_enable() from __srcu_read_lock() > to srcu_read_lock(). It also inserts the preempt_disable() and > preempt_enable() around the call to __srcu_read_lock() in do_exit().
Did you not simply want to use: preempt_disable_notrace() ? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
