sched/core: Annotate perf_domain pointer with __rcu
This fixes the following sparse errors in sched/fair.c: fair.c:6506:14: error: incompatible types in comparison expression fair.c:8642:21: error: incompatible types in comparison expression Using __rcu will also help sparse catch any future bugs. Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> [ From an RCU perspective. ] Reviewed-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Morten Rasmussen <morten.rasmussen@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: keescook@chromium.org Cc: kernel-hardening@lists.openwall.com Cc: kernel-team@android.com Link: https://lkml.kernel.org/r/20190321003426.160260-5-joel@joelfernandes.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -780,7 +780,7 @@ struct root_domain {
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* NULL-terminated list of performance domains intersecting with the
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* CPUs of the rd. Protected by RCU.
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*/
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struct perf_domain *pd;
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struct perf_domain __rcu *pd;
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};
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extern struct root_domain def_root_domain;
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