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McKenney" , Amol Grover Subject: [PATCH] sched: Annotate perf_event_ctxp with __rcu Date: Sat, 8 Feb 2020 20:15:51 +0530 Message-Id: <20200208144550.18486-1-frextrite@gmail.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org perf_event_ctxp is used in RCU context in kernel/events/core.c, tell sparse about it as well. Fix the following instances of sparse error: kernel/events/core.c:1384:15: error: incompatible types in comparison kernel/events/core.c:1397:28: error: incompatible types in comparison kernel/events/core.c:3264:25: error: incompatible types in comparison kernel/events/core.c:3265:25: error: incompatible types in comparison kernel/events/core.c:4340:25: error: incompatible types in comparison kernel/events/core.c:7091:23: error: incompatible types in comparison kernel/events/core.c:7870:23: error: incompatible types in comparison kernel/events/core.c:8971:23: error: incompatible types in comparison kernel/events/core.c:11865:9: error: incompatible types in comparison kernel/events/core.c:11975:17: error: incompatible types in comparison Signed-off-by: Amol Grover --- include/linux/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 716ad1d8d95e..5df1778cfdf4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1063,7 +1063,7 @@ struct task_struct { unsigned int futex_state; #endif #ifdef CONFIG_PERF_EVENTS - struct perf_event_context *perf_event_ctxp[perf_nr_task_contexts]; + struct perf_event_context __rcu *perf_event_ctxp[perf_nr_task_contexts]; struct mutex perf_event_mutex; struct list_head perf_event_list; #endif -- 2.24.1