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Message-Id: <20190223063434.6793-6-joel@joelfernandes.org>
Date: Sat, 23 Feb 2019 01:34:33 -0500
From: "Joel Fernandes (Google)" <joel@...lfernandes.org>
To: linux-kernel@...r.kernel.org
Cc: "Joel Fernandes (Google)" <joel@...lfernandes.org>,
Alexei Starovoitov <ast@...nel.org>,
Christian Brauner <christian@...uner.io>,
Daniel Borkmann <daniel@...earbox.net>,
David Ahern <dsahern@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Ingo Molnar <mingo@...hat.com>,
Jakub Kicinski <jakub.kicinski@...ronome.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
Jesper Dangaard Brouer <hawk@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
Josh Triplett <josh@...htriplett.org>,
keescook@...omium.org,
kernel-hardening@...ts.openwall.com,
kernel-team@...roid.com,
Kirill Tkhai <ktkhai@...tuozzo.com>,
Lai Jiangshan <jiangshanlai@...il.com>,
Martin KaFai Lau <kafai@...com>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
netdev@...r.kernel.org,
"Paul E. McKenney" <paulmck@...ux.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
Quentin Perret <quentin.perret@....com>,
rcu@...r.kernel.org,
Song Liu <songliubraving@...com>,
Steven Rostedt <rostedt@...dmis.org>,
Vincent Guittot <vincent.guittot@...aro.org>,
xdp-newbies@...r.kernel.org,
Yonghong Song <yhs@...com>
Subject: [PATCH v2 5/6] 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@...lfernandes.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) \
--
2.21.0.rc0.258.g878e2cd30e-goog
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