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, 67 insertions, 0 deletions

diff --git a/sound/soc/sof/ipc3-priv.h b/sound/soc/sof/ipc3-priv.h
new file mode 100644
index 000000000..866c5f67b
--- /dev/null
+++ b/sound/soc/sof/ipc3-priv.h
@@ -0,0 +1,67 @@
+/* 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) 2021 Intel Corporation
+ */
+
+#ifndef __SOUND_SOC_SOF_IPC3_PRIV_H
+#define __SOUND_SOC_SOF_IPC3_PRIV_H
+
+#include "sof-priv.h"
+
+/* IPC3 specific ops */
+extern const struct sof_ipc_pcm_ops ipc3_pcm_ops;
+extern const struct sof_ipc_tplg_ops ipc3_tplg_ops;
+extern const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops;
+extern const struct sof_ipc_fw_loader_ops ipc3_loader_ops;
+extern const struct sof_ipc_fw_tracing_ops ipc3_dtrace_ops;
+
+/* helpers for fw_ready and ext_manifest parsing */
+int sof_ipc3_get_ext_windows(struct snd_sof_dev *sdev,
+			     const struct sof_ipc_ext_data_hdr *ext_hdr);
+int sof_ipc3_get_cc_info(struct snd_sof_dev *sdev,
+			 const struct sof_ipc_ext_data_hdr *ext_hdr);
+int sof_ipc3_validate_fw_version(struct snd_sof_dev *sdev);
+
+/* dtrace position update */
+int ipc3_dtrace_posn_update(struct snd_sof_dev *sdev,
+			    struct sof_ipc_dma_trace_posn *posn);
+/* RX handler backend */
+void sof_ipc3_do_rx_work(struct snd_sof_dev *sdev, struct sof_ipc_cmd_hdr *hdr, void *msg_buf);
+
+/* dtrace platform callback wrappers */
+static inline int sof_dtrace_host_init(struct snd_sof_dev *sdev,
+				       struct snd_dma_buffer *dmatb,
+				       struct sof_ipc_dma_trace_params_ext *dtrace_params)
+{
+	const struct snd_sof_dsp_ops *dsp_ops = sdev->pdata->desc->ops;
+
+	if (dsp_ops->trace_init)
+		return dsp_ops->trace_init(sdev, dmatb, dtrace_params);
+
+	return 0;
+}
+
+static inline int sof_dtrace_host_release(struct snd_sof_dev *sdev)
+{
+	const struct snd_sof_dsp_ops *dsp_ops = sdev->pdata->desc->ops;
+
+	if (dsp_ops->trace_release)
+		return dsp_ops->trace_release(sdev);
+
+	return 0;
+}
+
+static inline int sof_dtrace_host_trigger(struct snd_sof_dev *sdev, int cmd)
+{
+	const struct snd_sof_dsp_ops *dsp_ops = sdev->pdata->desc->ops;
+
+	if (dsp_ops->trace_trigger)
+		return dsp_ops->trace_trigger(sdev, cmd);
+
+	return 0;
+}
+
+#endif