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, 26 insertions, 0 deletions

diff --git a/drivers/firewire/nosy-user.h b/drivers/firewire/nosy-user.h
new file mode 100644
index 000000000..3446c5b77
--- /dev/null
+++ b/drivers/firewire/nosy-user.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __nosy_user_h
+#define __nosy_user_h
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#define NOSY_IOC_GET_STATS _IOR('&', 0, struct nosy_stats)
+#define NOSY_IOC_START     _IO('&', 1)
+#define NOSY_IOC_STOP      _IO('&', 2)
+#define NOSY_IOC_FILTER    _IOW('&', 2, __u32)
+
+struct nosy_stats {
+	__u32 total_packet_count;
+	__u32 lost_packet_count;
+};
+
+/*
+ * Format of packets returned from the kernel driver:
+ *
+ *	quadlet with timestamp		(microseconds, CPU endian)
+ *	quadlet-padded packet data...	(little endian)
+ *	quadlet with ack		(little endian)
+ */
+
+#endif /* __nosy_user_h */