Merge branch 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6

* 'for-2.6.23' of master.kernel.org:/pub/scm/linux/kernel/git/arnd/cell-2.6: (37 commits)
  [CELL] spufs: rework list management and associated locking
  [CELL] oprofile: add support to OProfile for profiling CELL BE SPUs
  [CELL] oprofile: enable SPU switch notification to detect currently active SPU tasks
  [CELL] spu_base: locking cleanup
  [CELL] cell: indexing of SPUs based on firmware vicinity properties
  [CELL] spufs: integration of SPE affinity with the scheduller
  [CELL] cell: add placement computation for scheduling of affinity contexts
  [CELL] spufs: extension of spu_create to support affinity definition
  [CELL] cell: add hardcoded spu vicinity information for QS20
  [CELL] cell: add vicinity information on spus
  [CELL] cell: add per BE structure with info about its SPUs
  [CELL] spufs: use find_first_bit() instead of sched_find_first_bit()
  [CELL] spufs: remove unused file argument from spufs_run_spu()
  [CELL] spufs: change decrementer restore timing
  [CELL] spufs: dont halt decrementer at restore step 47
  [CELL] spufs: limit saving MFC_CNTL bits
  [CELL] spufs: fix read and write for decr_status file
  [CELL] spufs: fix decr_status meanings
  [CELL] spufs: remove needless context save/restore code
  [CELL] spufs: fix array size of channel index
  ...

3 files changed, 31 insertions, 20 deletions

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index edd6de99572..8134c7e198a 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -26,8 +26,9 @@
 #include <linux/profile.h>
 #include <linux/module.h>
 #include <linux/fs.h>
+#include <linux/oprofile.h>
 #include <linux/sched.h>
- 
+
 #include "oprofile_stats.h"
 #include "event_buffer.h"
 #include "cpu_buffer.h"
diff --git a/drivers/oprofile/event_buffer.h b/drivers/oprofile/event_buffer.h
index 9b6a4ebd03e..5076ed1ebd8 100644
--- a/drivers/oprofile/event_buffer.h
+++ b/drivers/oprofile/event_buffer.h
@@ -19,28 +19,10 @@ void free_event_buffer(void);
  
 /* wake up the process sleeping on the event file */
 void wake_up_buffer_waiter(void);
- 
-/* Each escaped entry is prefixed by ESCAPE_CODE
- * then one of the following codes, then the
- * relevant data.
- */
-#define ESCAPE_CODE                     ~0UL
-#define CTX_SWITCH_CODE                 1
-#define CPU_SWITCH_CODE                 2
-#define COOKIE_SWITCH_CODE              3
-#define KERNEL_ENTER_SWITCH_CODE        4
-#define KERNEL_EXIT_SWITCH_CODE         5
-#define MODULE_LOADED_CODE              6
-#define CTX_TGID_CODE                   7
-#define TRACE_BEGIN_CODE                8
-#define TRACE_END_CODE                  9
- 
+
 #define INVALID_COOKIE ~0UL
 #define NO_COOKIE 0UL
 
-/* add data to the event buffer */
-void add_event_entry(unsigned long data);
- 
 extern const struct file_operations event_buffer_fops;
  
 /* mutex between sync_cpu_buffers() and the
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index e5162a64018..2c645170f06 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -53,9 +53,24 @@ int oprofile_setup(void)
          * us missing task deaths and eventually oopsing
          * when trying to process the event buffer.
          */
+        if (oprofile_ops.sync_start) {
+                int sync_ret = oprofile_ops.sync_start();
+                switch (sync_ret) {
+                case 0:
+                        goto post_sync;
+                case 1:
+                        goto do_generic;
+                case -1:
+                        goto out3;
+                default:
+                        goto out3;
+                }
+        }
+do_generic:
         if ((err = sync_start()))
                 goto out3;
 
+post_sync:
         is_setup = 1;
         mutex_unlock(&start_mutex);
         return 0;
@@ -118,7 +133,20 @@ out:
 void oprofile_shutdown(void)
 {
         mutex_lock(&start_mutex);
+        if (oprofile_ops.sync_stop) {
+                int sync_ret = oprofile_ops.sync_stop();
+                switch (sync_ret) {
+                case 0:
+                        goto post_sync;
+                case 1:
+                        goto do_generic;
+                default:
+                        goto post_sync;
+                }
+        }
+do_generic:
         sync_stop();
+post_sync:
         if (oprofile_ops.shutdown)
                 oprofile_ops.shutdown();
         is_setup = 0;