From d05b7a1c363c30c7fcd9d163f457c1ed80d28f19 Mon Sep 17 00:00:00 2001
From: David Smith <dsmith@redhat.com>
Date: Fri, 12 Jun 2009 13:20:57 -0500
Subject: Fixed non-bulkmode output on smp systems using transport version 2. *
 runtime/transport/relay_v2.c (__stp_relay_create_buf_file_callback): Set  
 the 'is_global' return parameter so that smp systems work correctly.

---
 runtime/transport/relay_v2.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'runtime')

diff --git a/runtime/transport/relay_v2.c b/runtime/transport/relay_v2.c
index 16b5afa1..246c4965 100644
--- a/runtime/transport/relay_v2.c
+++ b/runtime/transport/relay_v2.c
@@ -204,6 +204,21 @@ __stp_relay_create_buf_file_callback(const char *filename,
 {
 	struct dentry *file = debugfs_create_file(filename, mode, parent, buf,
 						  &relay_file_operations);
+	/*
+	 * Here's what 'is_global' does (from linux/relay.h):
+	 *
+	 * Setting the is_global outparam to a non-zero value will
+	 * cause relay_open() to create a single global buffer rather
+	 * than the default set of per-cpu buffers.
+	 */
+	if (is_global) {
+#ifdef STP_BULKMODE
+		*is_global = 0;
+#else
+		*is_global = 1;
+#endif
+	}
+
 	if (IS_ERR(file)) {
 		file = NULL;
 	}
-- 
cgit