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rcupdate_trace: Define rcu_tasks_trace lock guard

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Define a rcu_tasks_trace lock guard for use by the syscall enter/exit
tracepoints.

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Michael Jeanson <mjeanson@efficios.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Yonghong Song <yhs@fb.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: bpf@vger.kernel.org
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Jordan Rife <jrife@google.com>
Cc: linux-trace-kernel@vger.kernel.org
Link: https://lore.kernel.org/20241123153031.2884933-4-mathieu.desnoyers@efficios.com
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Mathieu Desnoyers 2024-11-23 10:30:29 -05:00 committed by Steven Rostedt (Google)
parent 89c7e17f30
commit 7c565a4d4e
1 changed files with 5 additions and 0 deletions
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5
include/linux/rcupdate_trace.h
View File

@ -10,6 +10,7 @@
#include <linux/sched.h>
#include <linux/rcupdate.h>
#include <linux/cleanup.h>
extern struct lockdep_map rcu_trace_lock_map;
@ -98,4 +99,8 @@ static inline void rcu_read_lock_trace(void) { BUG(); }
static inline void rcu_read_unlock_trace(void) { BUG(); }
#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
DEFINE_LOCK_GUARD_0(rcu_tasks_trace,
rcu_read_lock_trace(),
rcu_read_unlock_trace())
#endif /* __LINUX_RCUPDATE_TRACE_H */