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-rw-r--r--arch/powerpc/platforms/cell/spu_notify.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spu_notify.c b/arch/powerpc/platforms/cell/spu_notify.c
new file mode 100644
index 000000000000..34d156959f39
--- /dev/null
+++ b/arch/powerpc/platforms/cell/spu_notify.c
@@ -0,0 +1,67 @@
+/*
+ * Move OProfile dependencies from spufs module to the kernel so it
+ * can run on non-cell PPC.
+ *
+ * Copyright (C) IBM 2005
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#undef DEBUG
+
+#include <linux/module.h>
+#include <asm/spu.h>
+#include "spufs/spufs.h"
+
+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);
+}
+EXPORT_SYMBOL_GPL(spu_switch_notify);
+
+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)
+{
+ return blocking_notifier_chain_unregister(&spu_switch_notifier, n);
+}
+EXPORT_SYMBOL_GPL(spu_switch_event_unregister);
+
+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);
+
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