Merge Linux 4.4.261 kernel

Changes in 4.4.261: (8 commits)
        futex: fix irq self-deadlock and satisfy assertion
        futex: fix spin_lock() / spin_unlock_irq() imbalance
        ALSA: ctxfi: cthw20k2: fix mask on conf to allow 4 bits
        rsxx: Return -EFAULT if copy_to_user() fails
        dm table: fix iterate_devices based device capability checks
        platform/x86: acer-wmi: Add new force_caps module parameter
        PCI: Add function 1 DMA alias quirk for Marvell 9215 SATA controller
        Linux 4.4.261