Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (57 commits)
  x86, perf events: Check if we have APIC enabled
  perf_event: Fix variable initialization in other codepaths
  perf kmem: Fix unused argument build warning
  perf symbols: perf_header__read_build_ids() offset'n'size should be u64
  perf symbols: dsos__read_build_ids() should read both user and kernel buildids
  perf tools: Align long options which have no short forms
  perf kmem: Show usage if no option is specified
  sched: Mark sched_clock() as notrace
  perf sched: Add max delay time snapshot
  perf tools: Correct size given to memset
  perf_event: Fix perf_swevent_hrtimer() variable initialization
  perf sched: Fix for getting task's execution time
  tracing/kprobes: Fix field creation's bad error handling
  perf_event: Cleanup for cpu_clock_perf_event_update()
  perf_event: Allocate children's perf_event_ctxp at the right time
  perf_event: Clean up __perf_event_init_context()
  hw-breakpoints: Modify breakpoints without unregistering them
  perf probe: Update perf-probe document
  perf probe: Support --del option
  trace-kprobe: Support delete probe syntax
  ...

1 files changed, 20 insertions, 21 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 43adbd7f001..64a53f74c9a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -18,10 +18,6 @@
 #include <linux/ioctl.h>
 #include <asm/byteorder.h>
 
-#ifdef CONFIG_HAVE_HW_BREAKPOINT
-#include <asm/hw_breakpoint.h>
-#endif
-
 /*
  * User-space ABI bits:
  */
@@ -215,12 +211,12 @@ struct perf_event_attr {
 		__u32		wakeup_watermark; /* bytes before wakeup   */
 	};
 
-	union {
-		struct { /* Hardware breakpoint info */
-			__u64		bp_addr;
-			__u32		bp_type;
-			__u32		bp_len;
-		};
+	struct { /* Hardware breakpoint info */
+		__u64		bp_addr;
+		__u32		bp_type;
+		__u32		bp_len;
+		__u64		__bp_reserved_1;
+		__u64		__bp_reserved_2;
 	};
 
 	__u32			__reserved_2;
@@ -451,6 +447,10 @@ enum perf_callchain_context {
 # include <asm/perf_event.h>
 #endif
 
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+#include <asm/hw_breakpoint.h>
+#endif
+
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/rculist.h>
@@ -565,10 +565,12 @@ struct perf_pending_entry {
 	void (*func)(struct perf_pending_entry *);
 };
 
-typedef void (*perf_callback_t)(struct perf_event *, void *);
-
 struct perf_sample_data;
 
+typedef void (*perf_overflow_handler_t)(struct perf_event *, int,
+					struct perf_sample_data *,
+					struct pt_regs *regs);
+
 /**
  * struct perf_event - performance event kernel representation:
  */
@@ -660,18 +662,12 @@ struct perf_event {
 	struct pid_namespace		*ns;
 	u64				id;
 
-	void (*overflow_handler)(struct perf_event *event,
-			int nmi, struct perf_sample_data *data,
-			struct pt_regs *regs);
+	perf_overflow_handler_t		overflow_handler;
 
 #ifdef CONFIG_EVENT_PROFILE
 	struct event_filter		*filter;
 #endif
 
-	perf_callback_t			callback;
-
-	perf_callback_t			event_callback;
-
 #endif /* CONFIG_PERF_EVENTS */
 };
 
@@ -781,7 +777,7 @@ extern struct perf_event *
 perf_event_create_kernel_counter(struct perf_event_attr *attr,
 				int cpu,
 				pid_t pid,
-				perf_callback_t callback);
+				perf_overflow_handler_t callback);
 extern u64 perf_event_read_value(struct perf_event *event,
 				 u64 *enabled, u64 *running);
 
@@ -876,6 +872,8 @@ extern void perf_output_copy(struct perf_output_handle *handle,
 			     const void *buf, unsigned int len);
 extern int perf_swevent_get_recursion_context(void);
 extern void perf_swevent_put_recursion_context(int rctx);
+extern void perf_event_enable(struct perf_event *event);
+extern void perf_event_disable(struct perf_event *event);
 #else
 static inline void
 perf_event_task_sched_in(struct task_struct *task, int cpu)		{ }
@@ -906,7 +904,8 @@ static inline void perf_event_fork(struct task_struct *tsk)		{ }
 static inline void perf_event_init(void)				{ }
 static inline int  perf_swevent_get_recursion_context(void)  { return -1; }
 static inline void perf_swevent_put_recursion_context(int rctx)		{ }
-
+static inline void perf_event_enable(struct perf_event *event)		{ }
+static inline void perf_event_disable(struct perf_event *event)		{ }
 #endif
 
 #define perf_output_put(handle, x) \