[tip:sched/core] rcuwait: Annotate task_struct with __rcu

2019-04-03 Thread tip-bot for Joel Fernandes (Google) 
Commit-ID:  03f4b48edae7d936c5bf23488c1ce3fbe7fc2733
Gitweb: https://git.kernel.org/tip/03f4b48edae7d936c5bf23488c1ce3fbe7fc2733
Author: Joel Fernandes (Google) 
AuthorDate: Wed, 20 Mar 2019 20:34:25 -0400
Committer:  Ingo Molnar 
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) 
Signed-off-by: Peter Zijlstra (Intel) 
[ From an RCU perspective. ]
Reviewed-by: Paul E. McKenney 
Cc: Josh Triplett 
Cc: Lai Jiangshan 
Cc: Linus Torvalds 
Cc: Luc Van Oostenryck 
Cc: Mathieu Desnoyers 
Cc: Mike Galbraith 
Cc: Morten Rasmussen 
Cc: Peter Zijlstra 
Cc: Steven Rostedt 
Cc: Thomas Gleixner 
Cc: keesc...@chromium.org
Cc: kernel-harden...@lists.openwall.com
Cc: kernel-t...@android.com
Link: https://lkml.kernel.org/r/20190321003426.160260-4-j...@joelfernandes.org
Signed-off-by: Ingo Molnar 
---
 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)\

[tip:sched/core] rcuwait: Annotate task_struct with __rcu

2019-04-03 Thread tip-bot for Joel Fernandes (Google) 
Commit-ID:  ea3ce866b568e087737df666c2c035496f54fdcb
Gitweb: https://git.kernel.org/tip/ea3ce866b568e087737df666c2c035496f54fdcb
Author: Joel Fernandes (Google) 
AuthorDate: Wed, 20 Mar 2019 20:34:25 -0400
Committer:  Ingo Molnar 
CommitDate: Wed, 3 Apr 2019 09:51:04 +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) 
Signed-off-by: Peter Zijlstra (Intel) 
[ From an RCU perspective. ]
Reviewed-by: Paul E. McKenney 
Cc: Josh Triplett 
Cc: Lai Jiangshan 
Cc: Linus Torvalds 
Cc: Luc Van Oostenryck 
Cc: Mathieu Desnoyers 
Cc: Mike Galbraith 
Cc: Morten Rasmussen 
Cc: Peter Zijlstra 
Cc: Steven Rostedt 
Cc: Thomas Gleixner 
Cc: keesc...@chromium.org
Cc: kernel-harden...@lists.openwall.com
Cc: kernel-t...@android.com
Link: https://lkml.kernel.org/r/20190321003426.160260-4-j...@joelfernandes.org
Signed-off-by: Ingo Molnar 
---
 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)\