8 files changed, 24 insertions, 175 deletions

diff --git a/samples/Kconfig b/samples/Kconfig
index 428b065ba695..b92bde3c6a89 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -7,12 +7,6 @@ menuconfig SAMPLES
 
 if SAMPLES
 
-config SAMPLE_MARKERS
-        tristate "Build markers examples -- loadable modules only"
-        depends on MARKERS && m
-        help
-          This build markers example modules.
-
 config SAMPLE_TRACEPOINTS
         tristate "Build tracepoints examples -- loadable modules only"
         depends on TRACEPOINTS && m
diff --git a/samples/Makefile b/samples/Makefile
index 13e4b470b539..43343a03b1f4 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -1,3 +1,3 @@
 # Makefile for Linux samples code
 
-obj-$(CONFIG_SAMPLES)   += markers/ kobject/ kprobes/ tracepoints/ trace_events/
+obj-$(CONFIG_SAMPLES)   += kobject/ kprobes/ tracepoints/ trace_events/
diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c
index 4e764b317d61..1041b6731598 100644
--- a/samples/kprobes/kretprobe_example.c
+++ b/samples/kprobes/kretprobe_example.c
@@ -23,6 +23,7 @@
 #include <linux/kprobes.h>
 #include <linux/ktime.h>
 #include <linux/limits.h>
+#include <linux/sched.h>
 
 static char func_name[NAME_MAX] = "do_fork";
 module_param_string(func, func_name, NAME_MAX, S_IRUGO);
diff --git a/samples/markers/Makefile b/samples/markers/Makefile
deleted file mode 100644
index 6d7231265f0f..000000000000
--- a/samples/markers/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-# builds the kprobes example kernel modules;
-# then to use one (as root):  insmod <module_name.ko>
-
-obj-$(CONFIG_SAMPLE_MARKERS) += probe-example.o marker-example.o
diff --git a/samples/markers/marker-example.c b/samples/markers/marker-example.c
deleted file mode 100644
index e9cd9c0bc84f..000000000000
--- a/samples/markers/marker-example.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* marker-example.c
- *
- * Executes a marker when /proc/marker-example is opened.
- *
- * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-
-struct proc_dir_entry *pentry_example;
-
-static int my_open(struct inode *inode, struct file *file)
-{
-        int i;
-
-        trace_mark(subsystem_event, "integer %d string %s", 123,
-                "example string");
-        for (i = 0; i < 10; i++)
-                trace_mark(subsystem_eventb, MARK_NOARGS);
-        return -EPERM;
-}
-
-static struct file_operations mark_ops = {
-        .open = my_open,
-};
-
-static int __init example_init(void)
-{
-        printk(KERN_ALERT "example init\n");
-        pentry_example = proc_create("marker-example", 0444, NULL, &mark_ops);
-        if (!pentry_example)
-                return -EPERM;
-        return 0;
-}
-
-static void __exit example_exit(void)
-{
-        printk(KERN_ALERT "example exit\n");
-        remove_proc_entry("marker-example", NULL);
-}
-
-module_init(example_init)
-module_exit(example_exit)
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Marker example");
diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c
deleted file mode 100644
index 2dfb3b32937e..000000000000
--- a/samples/markers/probe-example.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* probe-example.c
- *
- * Connects two functions to marker call sites.
- *
- * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <asm/atomic.h>
-
-struct probe_data {
-        const char *name;
-        const char *format;
-        marker_probe_func *probe_func;
-};
-
-void probe_subsystem_event(void *probe_data, void *call_data,
-        const char *format, va_list *args)
-{
-        /* Declare args */
-        unsigned int value;
-        const char *mystr;
-
-        /* Assign args */
-        value = va_arg(*args, typeof(value));
-        mystr = va_arg(*args, typeof(mystr));
-
-        /* Call printk */
-        printk(KERN_INFO "Value %u, string %s\n", value, mystr);
-
-        /* or count, check rights, serialize data in a buffer */
-}
-
-atomic_t eventb_count = ATOMIC_INIT(0);
-
-void probe_subsystem_eventb(void *probe_data, void *call_data,
-        const char *format, va_list *args)
-{
-        /* Increment counter */
-        atomic_inc(&eventb_count);
-}
-
-static struct probe_data probe_array[] =
-{
-        {       .name = "subsystem_event",
-                .format = "integer %d string %s",
-                .probe_func = probe_subsystem_event },
-        {       .name = "subsystem_eventb",
-                .format = MARK_NOARGS,
-                .probe_func = probe_subsystem_eventb },
-};
-
-static int __init probe_init(void)
-{
-        int result;
-        int i;
-
-        for (i = 0; i < ARRAY_SIZE(probe_array); i++) {
-                result = marker_probe_register(probe_array[i].name,
-                                probe_array[i].format,
-                                probe_array[i].probe_func, &probe_array[i]);
-                if (result)
-                        printk(KERN_INFO "Unable to register probe %s\n",
-                                probe_array[i].name);
-        }
-        return 0;
-}
-
-static void __exit probe_fini(void)
-{
-        int i;
-
-        for (i = 0; i < ARRAY_SIZE(probe_array); i++)
-                marker_probe_unregister(probe_array[i].name,
-                        probe_array[i].probe_func, &probe_array[i]);
-        printk(KERN_INFO "Number of event b : %u\n",
-                        atomic_read(&eventb_count));
-        marker_synchronize_unregister();
-}
-
-module_init(probe_init);
-module_exit(probe_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("SUBSYSTEM Probe");
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 9977a756fb32..6af373236d73 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -1,23 +1,6 @@
 /*
- * Notice that this file is not protected like a normal header.
- * We also must allow for rereading of this file. The
- *
- *  || defined(TRACE_HEADER_MULTI_READ)
- *
- * serves this purpose.
- */
-#if !defined(_TRACE_EVENT_SAMPLE_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_EVENT_SAMPLE_H
-
-/*
- * All trace headers should include tracepoint.h, until we finally
- * make it into a standard header.
- */
-#include <linux/tracepoint.h>
-
-/*
  * If TRACE_SYSTEM is defined, that will be the directory created
- * in the ftrace directory under /debugfs/tracing/events/<system>
+ * in the ftrace directory under /sys/kernel/debug/tracing/events/<system>
  *
  * The define_trace.h below will also look for a file name of
  * TRACE_SYSTEM.h where TRACE_SYSTEM is what is defined here.
@@ -34,11 +17,31 @@
  * #define TRACE_INCLUDE_FILE trace-events-sample
  *
  * As we do an the bottom of this file.
+ *
+ * Notice that TRACE_SYSTEM should be defined outside of #if
+ * protection, just like TRACE_INCLUDE_FILE.
  */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM sample
 
 /*
+ * Notice that this file is not protected like a normal header.
+ * We also must allow for rereading of this file. The
+ *
+ *  || defined(TRACE_HEADER_MULTI_READ)
+ *
+ * serves this purpose.
+ */
+#if !defined(_TRACE_EVENT_SAMPLE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_EVENT_SAMPLE_H
+
+/*
+ * All trace headers should include tracepoint.h, until we finally
+ * make it into a standard header.
+ */
+#include <linux/tracepoint.h>
+
+/*
  * The TRACE_EVENT macro is broken up into 5 parts.
  *
  * name: name of the trace point. This is also how to enable the tracepoint.
diff --git a/samples/tracepoints/tracepoint-sample.c b/samples/tracepoints/tracepoint-sample.c
index 9cf80a11e8b6..26fab33ffa8c 100644
--- a/samples/tracepoints/tracepoint-sample.c
+++ b/samples/tracepoints/tracepoint-sample.c
@@ -28,7 +28,7 @@ static int my_open(struct inode *inode, struct file *file)
         return -EPERM;
 }
 
-static struct file_operations mark_ops = {
+static const struct file_operations mark_ops = {
         .open = my_open,
 };