[POWERPC] Oprofile: Remove dependency on spufs module

This removes an OProfile dependency on the spufs module.  This
dependency was causing a problem for multiplatform systems that are
built with support for Oprofile on Cell but try to load the oprofile
module on a non-Cell system.

Signed-off-by: Bob Nelson <rrnelson@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

3 files changed, 8 insertions, 38 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 9cb081c26e71..adf0a030d6fe 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -190,19 +190,3 @@ void spu_release_saved(struct spu_context *ctx)
 	spu_release(ctx);
 }
 
-void spu_set_profile_private_kref(struct spu_context *ctx,
-				  struct kref *prof_info_kref,
-				  void ( * prof_info_release) (struct kref *kref))
-{
-	ctx->prof_priv_kref = prof_info_kref;
-	ctx->prof_priv_release = prof_info_release;
-}
-EXPORT_SYMBOL_GPL(spu_set_profile_private_kref);
-
-void *spu_get_profile_private_kref(struct spu_context *ctx)
-{
-	return ctx->prof_priv_kref;
-}
-EXPORT_SYMBOL_GPL(spu_get_profile_private_kref);
-
-
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 4d257b3f9336..6e2a45e60261 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -166,15 +166,7 @@ static int node_allowed(struct spu_context *ctx, int node)
 	return rval;
 }
 
-static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
-
-void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
-{
-	blocking_notifier_call_chain(&spu_switch_notifier,
-			    ctx ? ctx->object_id : 0, spu);
-}
-
-static void notify_spus_active(void)
+void do_notify_spus_active(void)
 {
 	int node;
 
@@ -200,22 +192,15 @@ static void notify_spus_active(void)
 		mutex_unlock(&cbe_spu_info[node].list_mutex);
 	}
 }
+EXPORT_SYMBOL_GPL(do_notify_spus_active);
 
-int spu_switch_event_register(struct notifier_block * n)
-{
-	int ret;
-	ret = blocking_notifier_chain_register(&spu_switch_notifier, n);
-	if (!ret)
-		notify_spus_active();
-	return ret;
-}
-EXPORT_SYMBOL_GPL(spu_switch_event_register);
-
-int spu_switch_event_unregister(struct notifier_block * n)
+#ifndef MODULE
+void notify_spus_active(void)
 {
-	return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
+	do_notify_spus_active();
 }
-EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
+EXPORT_SYMBOL_GPL(notify_spus_active);
+#endif
 
 /**
  * spu_bind_context - bind spu context to physical spu
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index 2c34f7170190..430404413178 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -86,5 +86,6 @@ struct spufs_calls spufs_calls = {
 	.spu_run = do_spu_run,
 	.coredump_extra_notes_size = spufs_coredump_extra_notes_size,
 	.coredump_extra_notes_write = spufs_coredump_extra_notes_write,
+	.notify_spus_active = do_notify_spus_active,
 	.owner = THIS_MODULE,
 };