From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Sun, 28 Dec 2014 13:53:34 +0000 (-0500)
Subject: Fix: update module instrumentation for 3.19+ kernels
X-Git-Tag: v2.6.0~6
X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=commitdiff_plain;h=7cb18afaf252ce42658beb6d38b9a1fed2395a28

Fix: update module instrumentation for 3.19+ kernels

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

diff --git a/instrumentation/events/lttng-module/module.h b/instrumentation/events/lttng-module/module.h
index 83d191f4..bc9493ad 100644
--- a/instrumentation/events/lttng-module/module.h
+++ b/instrumentation/events/lttng-module/module.h
@@ -84,7 +84,9 @@ LTTNG_TRACEPOINT_EVENT_CLASS(module_refcnt,
 
 	TP_fast_assign(
 		tp_assign(ip, ip)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
+		tp_assign(refcnt, atomic_read(&mod->refcnt))
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
 		tp_assign(refcnt, __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs))
 #else
 		tp_assign(refcnt, refcnt)