Drop support for kernels < 3.0 from perf.h wrapper

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/wrapper/perf.h b/wrapper/perf.h
index 48e256c86b49ffe3e3d4e3ca30a0ea93855f05c6..4a7f6d8582873b9075a021595aea291cec2971b0 100644 (file)
--- a/wrapper/perf.h
+++ b/wrapper/perf.h
@@ -22,8 +22,6 @@ wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
        return perf_event_create_kernel_counter(attr, cpu, task, callback, NULL);
 }
 #else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 static inline struct perf_event *
 wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
                                int cpu,
@@ -32,29 +30,6 @@ wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
 {
        return perf_event_create_kernel_counter(attr, cpu, task, callback);
 }
-#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */
-static inline struct perf_event *
-wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
-                               int cpu,
-                               struct task_struct *task,
-                               perf_overflow_handler_t callback)
-{
-       pid_t pid;
-
-       if (!task)
-               pid = -1;
-       else
-               pid = task->pid;
-
-       return perf_event_create_kernel_counter(attr, cpu, pid, callback);
-}
-
-#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36))
-#define local64_read(l)                atomic64_read(l)
-#endif
-
 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
 
 #endif /* CONFIG_PERF_EVENTS */