Commit a524446f authored by Ingo Molnar's avatar Ingo Molnar

Merge branches 'tracing/ftrace', 'tracing/hw-breakpoints',...

Merge branches 'tracing/ftrace', 'tracing/hw-breakpoints', 'tracing/ring-buffer', 'tracing/textedit' and 'linus' into tracing/core
...@@ -15,11 +15,21 @@ ...@@ -15,11 +15,21 @@
along with this program; if not, write to the Free Software along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/ */
#include <linux/ftrace.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/mutex.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/ftrace.h>
#include <asm/uaccess.h>
#include <asm/sections.h> #include <asm/sections.h>
#include <asm/uaccess.h>
/*
* mutex protecting text section modification (dynamic code patching).
* some users need to sleep (allocating memory...) while they hold this lock.
*
* NOT exported to modules - patching kernel text is a really delicate matter.
*/
DEFINE_MUTEX(text_mutex);
extern struct exception_table_entry __start___ex_table[]; extern struct exception_table_entry __start___ex_table[];
extern struct exception_table_entry __stop___ex_table[]; extern struct exception_table_entry __stop___ex_table[];
......
...@@ -535,7 +535,7 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer) ...@@ -535,7 +535,7 @@ static void rb_free_cpu_buffer(struct ring_buffer_per_cpu *cpu_buffer)
extern int ring_buffer_page_too_big(void); extern int ring_buffer_page_too_big(void);
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
static int __cpuinit rb_cpu_notify(struct notifier_block *self, static int rb_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu); unsigned long action, void *hcpu);
#endif #endif
...@@ -2784,7 +2784,7 @@ static __init int rb_init_debugfs(void) ...@@ -2784,7 +2784,7 @@ static __init int rb_init_debugfs(void)
fs_initcall(rb_init_debugfs); fs_initcall(rb_init_debugfs);
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
static int __cpuinit rb_cpu_notify(struct notifier_block *self, static int rb_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu) unsigned long action, void *hcpu)
{ {
struct ring_buffer *buffer = struct ring_buffer *buffer =
......
...@@ -101,14 +101,6 @@ int randomize_va_space __read_mostly = ...@@ -101,14 +101,6 @@ int randomize_va_space __read_mostly =
2; 2;
#endif #endif
/*
* mutex protecting text section modification (dynamic code patching).
* some users need to sleep (allocating memory...) while they hold this lock.
*
* NOT exported to modules - patching kernel text is a really delicate matter.
*/
DEFINE_MUTEX(text_mutex);
static int __init disable_randmaps(char *s) static int __init disable_randmaps(char *s)
{ {
randomize_va_space = 0; randomize_va_space = 0;
......
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