Upstream commit
2b514574f7e88 "net: af_unix: implement splice for stream
af_unix sockets" exported the "splice_to_pipe" symbol, so use it to
remove a dependency on kallsyms_lookup_name().
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* wrapper around splice_to_pipe. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
*
* wrapper around splice_to_pipe. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
+ * modules. The export was introduced in kernel 4.2.
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <lttng-kernel-version.h>
+
+#if (defined(CONFIG_KALLSYMS) \
+ && (LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)))
#include <linux/kallsyms.h>
#include <linux/fs.h>
#include <linux/kallsyms.h>
#include <linux/fs.h>