Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 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 000000000..67870abf3
--- /dev/null
+++ b/arch/powerpc/platforms/cell/spu_notify.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Move OProfile dependencies from spufs module to the kernel so it
+ * can run on non-cell PPC.
+ *
+ * Copyright (C) IBM 2005
+ */
+
+#undef DEBUG
+
+#include <linux/export.h>
+#include <linux/notifier.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);
+