Merge tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipgrafted

Pull futex fix from Ingo Molnar:

 - Also allocate a default private futex hash on vfork() as well, to
   avoid races with (private) futex waiters (Peter Zijlstra)

* tag 'locking-urgent-2026-09-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Also allocate private hash on vfork()

1 files changed, 56 insertions, 0 deletions

diff --git a/include/sound/sof/pm.h b/include/sound/sof/pm.h
new file mode 100644
index 000000000..df55bfe58
--- /dev/null
+++ b/include/sound/sof/pm.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#ifndef __INCLUDE_SOUND_SOF_PM_H__
+#define __INCLUDE_SOUND_SOF_PM_H__
+
+#include <sound/sof/header.h>
+
+/*
+ * PM
+ */
+
+/* PM context element */
+struct sof_ipc_pm_ctx_elem {
+	struct sof_ipc_hdr hdr;
+	uint32_t type;
+	uint32_t size;
+	uint64_t addr;
+}  __packed;
+
+/*
+ * PM context - SOF_IPC_PM_CTX_SAVE, SOF_IPC_PM_CTX_RESTORE,
+ * SOF_IPC_PM_CTX_SIZE
+ */
+struct sof_ipc_pm_ctx {
+	struct sof_ipc_cmd_hdr hdr;
+	struct sof_ipc_host_buffer buffer;
+	uint32_t num_elems;
+	uint32_t size;
+
+	/* reserved for future use */
+	uint32_t reserved[8];
+
+	struct sof_ipc_pm_ctx_elem elems[];
+} __packed;
+
+/* enable or disable cores - SOF_IPC_PM_CORE_ENABLE */
+struct sof_ipc_pm_core_config {
+	struct sof_ipc_cmd_hdr hdr;
+	uint32_t enable_mask;
+} __packed;
+
+struct sof_ipc_pm_gate {
+	struct sof_ipc_cmd_hdr hdr;
+	uint32_t flags;	/* platform specific */
+
+	/* reserved for future use */
+	uint32_t reserved[5];
+} __packed;
+
+#endif