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
  ...

4 files changed, 39 insertions, 2 deletions

diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
index 0fe7cdf326f7..98c69ab80c84 100644
--- a/include/linux/dcookies.h
+++ b/include/linux/dcookies.h
@@ -12,6 +12,7 @@
 
 #ifdef CONFIG_PROFILING
  
+#include <linux/dcache.h>
 #include <linux/types.h>
  
 struct dcookie_user;
diff --git a/include/linux/elf-em.h b/include/linux/elf-em.h
index 0311bad838b1..5834e843a946 100644
--- a/include/linux/elf-em.h
+++ b/include/linux/elf-em.h
@@ -20,7 +20,8 @@
 #define EM_PARISC       15      /* HPPA */
 #define EM_SPARC32PLUS  18      /* Sun's "v8plus" */
 #define EM_PPC          20      /* PowerPC */
-#define EM_PPC64        21       /* PowerPC64 */
+#define EM_PPC64        21       /* PowerPC64 */
+#define EM_SPU          23      /* Cell BE SPU */
 #define EM_SH           42      /* SuperH */
 #define EM_SPARCV9      43      /* SPARC v9 64-bit */
 #define EM_IA_64        50      /* HP/Intel IA-64 */
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 0d514b252454..041bb31100f4 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -17,6 +17,26 @@
 #include <linux/spinlock.h>
 #include <asm/atomic.h>
  
+/* Each escaped entry is prefixed by ESCAPE_CODE
+ * then one of the following codes, then the
+ * relevant data.
+ * These #defines live in this file so that arch-specific
+ * buffer sync'ing code can access them.
+ */
+#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 XEN_ENTER_SWITCH_CODE           10
+#define SPU_PROFILING_CODE              11
+#define SPU_CTX_SWITCH_CODE             12
+
 struct super_block;
 struct dentry;
 struct file_operations;
@@ -35,6 +55,14 @@ struct oprofile_operations {
         int (*start)(void);
         /* Stop delivering interrupts. */
         void (*stop)(void);
+        /* Arch-specific buffer sync functions.
+         * Return value = 0:  Success
+         * Return value = -1: Failure
+         * Return value = 1:  Run generic sync function
+         */
+        int (*sync_start)(void);
+        int (*sync_stop)(void);
+
         /* Initiate a stack backtrace. Optional. */
         void (*backtrace)(struct pt_regs * const regs, unsigned int depth);
         /* CPU identification string. */
@@ -56,6 +84,13 @@ int oprofile_arch_init(struct oprofile_operations * ops);
 void oprofile_arch_exit(void);
 
 /**
+ * Add data to the event buffer.
+ * The data passed is free-form, but typically consists of
+ * file offsets, dcookies, context information, and ESCAPE codes.
+ */
+void add_event_entry(unsigned long data);
+
+/**
  * Add a sample. This may be called from any context. Pass
  * smp_processor_id() as cpu.
  */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 7a8b1e3322e0..61def7c8fbb3 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -549,7 +549,7 @@ asmlinkage long sys_inotify_rm_watch(int fd, u32 wd);
 asmlinkage long sys_spu_run(int fd, __u32 __user *unpc,
                                  __u32 __user *ustatus);
 asmlinkage long sys_spu_create(const char __user *name,
-                unsigned int flags, mode_t mode);
+                unsigned int flags, mode_t mode, int fd);
 
 asmlinkage long sys_mknodat(int dfd, const char __user * filename, int mode,
                             unsigned dev);