[PATCH RFC tip/core/rcu 09/30] perf_event: __rcu annotations
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From: Paul E. McKenney on 14 Jul 2010 16:20 From: Arnd Bergmann <arnd(a)arndb.de> Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> Signed-off-by: Paul E. McKenney <paulmck(a)linux.vnet.ibm.com> Cc: Peter Zijlstra <a.p.zijlstra(a)chello.nl> Cc: Paul Mackerras <paulus(a)samba.org> Cc: Ingo Molnar <mingo(a)elte.hu> Cc: Arnaldo Carvalho de Melo <acme(a)redhat.com> --- include/linux/perf_event.h | 6 +++--- include/linux/sched.h | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 5d0266d..b30ee92 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -645,7 +645,7 @@ struct perf_event { struct hlist_node hlist_entry; int nr_siblings; int group_flags; - struct perf_event *group_leader; + struct perf_event __rcu *group_leader; const struct pmu *pmu; enum perf_event_active_state state; @@ -709,7 +709,7 @@ struct perf_event { atomic_t mmap_count; int mmap_locked; struct user_struct *mmap_user; - struct perf_mmap_data *data; + struct perf_mmap_data __rcu *data; /* poll related */ wait_queue_head_t waitq; @@ -777,7 +777,7 @@ struct perf_event_context { * These fields let us detect when two contexts have both * been cloned (inherited) from a common ancestor. */ - struct perf_event_context *parent_ctx; + struct perf_event_context __rcu *parent_ctx; u64 parent_gen; u64 generation; int pin_count; diff --git a/include/linux/sched.h b/include/linux/sched.h index 9a2d9a0..26b85fe 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1440,7 +1440,7 @@ struct task_struct { struct futex_pi_state *pi_state_cache; #endif #ifdef CONFIG_PERF_EVENTS - struct perf_event_context *perf_event_ctxp; + struct perf_event_context __rcu *perf_event_ctxp; struct mutex perf_event_mutex; struct list_head perf_event_list; #endif -- 1.7.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |