Messages in this thread Patch in this message | | | Date | Wed, 3 Apr 2019 03:47:33 -0700 | From | "tip-bot for Joel Fernandes (Google)" <> | Subject | [tip:sched/core] rcuwait: Annotate task_struct with __rcu |
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Commit-ID: 03f4b48edae7d936c5bf23488c1ce3fbe7fc2733 Gitweb: https://git.kernel.org/tip/03f4b48edae7d936c5bf23488c1ce3fbe7fc2733 Author: Joel Fernandes (Google) <joel@joelfernandes.org> AuthorDate: Wed, 20 Mar 2019 20:34:25 -0400 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 3 Apr 2019 12:34:31 +0200
rcuwait: Annotate task_struct with __rcu
This suppresses sparse error generated due to the recently added rcu_assign_pointer sparse check.
percpu-rwsem.c:162:9: sparse: error: incompatible types in comparison expression exit.c:316:16: sparse: error: incompatible types in comparison expression
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/20190321003426.160260-4-joel@joelfernandes.org Signed-off-by: Ingo Molnar <mingo@kernel.org> --- include/linux/rcuwait.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h index 90bfa3279a01..563290fc194f 100644 --- a/include/linux/rcuwait.h +++ b/include/linux/rcuwait.h @@ -18,7 +18,7 @@ * awoken. */ struct rcuwait { - struct task_struct *task; + struct task_struct __rcu *task; }; #define __RCUWAIT_INITIALIZER(name) \
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