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, 30 insertions, 0 deletions

diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
new file mode 100644
index 000000000..9c3cb109c
--- /dev/null
+++ b/drivers/acpi/sleep.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+extern void acpi_enable_wakeup_devices(u8 sleep_state);
+extern void acpi_disable_wakeup_devices(u8 sleep_state);
+extern bool acpi_check_wakeup_handlers(void);
+
+extern struct list_head acpi_wakeup_device_list;
+extern struct mutex acpi_device_lock;
+
+extern void acpi_resume_power_resources(void);
+
+static inline acpi_status acpi_set_waking_vector(u32 wakeup_address)
+{
+	return acpi_set_firmware_waking_vector(
+				(acpi_physical_address)wakeup_address, 0);
+}
+
+extern int acpi_s2idle_begin(void);
+extern int acpi_s2idle_prepare(void);
+extern bool acpi_s2idle_wake(void);
+extern void acpi_s2idle_restore(void);
+extern void acpi_s2idle_end(void);
+
+extern void acpi_s2idle_setup(void);
+
+#ifdef CONFIG_ACPI_SLEEP
+extern bool acpi_sleep_default_s3;
+#else
+#define acpi_sleep_default_s3	(1)
+#endif