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Performance: Relax atomicity constraints for crash handling
[lttng-modules.git]
/
lib
/
ringbuffer
/
frontend_api.h
diff --git
a/lib/ringbuffer/frontend_api.h
b/lib/ringbuffer/frontend_api.h
index ff6abce93d684a86e48066ed7fc537a2516fe9b4..b92ff290c300f07e90498612719fdfe190d9d79a 100644
(file)
--- a/
lib/ringbuffer/frontend_api.h
+++ b/
lib/ringbuffer/frontend_api.h
@@
-29,7
+29,8
@@
* See linux/ringbuffer/frontend.h for channel allocation and read-side API.
*/
* See linux/ringbuffer/frontend.h for channel allocation and read-side API.
*/
-#include "../../wrapper/ringbuffer/frontend.h"
+#include <wrapper/ringbuffer/frontend.h>
+#include <wrapper/percpu-defs.h>
#include <linux/errno.h>
#include <linux/prefetch.h>
#include <linux/errno.h>
#include <linux/prefetch.h>
@@
-73,7
+74,7
@@
static inline
void lib_ring_buffer_put_cpu(const struct lib_ring_buffer_config *config)
{
barrier();
void lib_ring_buffer_put_cpu(const struct lib_ring_buffer_config *config)
{
barrier();
-
__get_cpu_var(lib_ring_buffer_nesting
)--;
+
(*lttng_this_cpu_ptr(&lib_ring_buffer_nesting)
)--;
rcu_read_unlock_sched_notrace();
}
rcu_read_unlock_sched_notrace();
}
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