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    Subject[PATCH 00/25] TTY buffer in tty_port -- prep no. 3
    Date
    Hi,

    this is the third series of patches which allow tty buffers to be
    moved from tty_struct (present from open to close/hangup) to tty_port
    (present as long as the device). This will allow us to get rid of the
    tty refcounting in the interrupt service routines and other hot paths
    after we are done. This is because we won't need to handle races among
    ISRs, timers, hangups and others, because tty_port lives as long as an
    interrupt/timer tick may occur. Unlike tty_struct.

    In this series, the third batch of drivers is converted to use
    tty_port. Read: all drivers now have a tty_port. Second, we start
    assigning tty_port to tty_struct->port in this series. So the TTY
    layer now finally has an access to a tty_port in most of the drivers.
    This means not every driver uses the new shiny interfaces creating
    tty_struct => tty_port links automatically. I ran out of time (I had
    to do other things) to convert them all... The rest is going to be
    converted later.

    Standard x86 stuff was runtime-tested. The rest is only checked to be
    compilation-errors free.

    Jiri Slaby (25):
    TTY: ircomm, add tty_port
    TTY: ircomm, use close times from tty_port
    TTY: ircomm, use open counts from tty_port
    TTY: ircomm, use flags from tty_port
    TTY: ircomm, revamp locking
    TTY: ircomm, use tty from tty_port
    TTY: ircomm, define local tty_port
    TTY: ircomm, define carrier routines
    TTY: ircomm, use tty_port_close_end helper
    TTY: ircomm, use tty_port_close_start helper
    TTY: um/line, add tty_port
    TTY: um/line, use tty from tty_port
    PTY: remove one empty ops->remove
    PTY: merge pty_install implementations
    PTY: add tty_port
    TTY: vt, remove con_schedule_flip
    TTY: provide drivers with tty_port_install
    TTY: serial_core, add ->install
    TTY: vt, add ->install
    TTY: usb-serial, use tty_port_install
    TTY: centralize fail paths in tty_register_driver
    TTY: add ports array to tty_driver
    TTY: add tty_port_register_device helper
    TTY: cyclades, add local pointer for card
    TTY: use tty_port_register_device

    arch/um/drivers/chan_kern.c | 4 +-
    arch/um/drivers/line.c | 35 +++--
    arch/um/drivers/line.h | 3 +-
    drivers/isdn/capi/capi.c | 3 +-
    drivers/isdn/gigaset/interface.c | 3 +-
    drivers/mmc/card/sdio_uart.c | 4 +-
    drivers/net/usb/hso.c | 7 +-
    drivers/tty/cyclades.c | 79 +++++-----
    drivers/tty/ehv_bytechan.c | 9 +-
    drivers/tty/ipwireless/tty.c | 2 +-
    drivers/tty/isicom.c | 3 +-
    drivers/tty/mxser.c | 6 +-
    drivers/tty/nozomi.c | 4 +-
    drivers/tty/pty.c | 141 +++++++++---------
    drivers/tty/rocket.c | 4 +-
    drivers/tty/serial/ifx6x60.c | 4 +-
    drivers/tty/serial/msm_smd_tty.c | 8 +-
    drivers/tty/serial/serial_core.c | 28 ++--
    drivers/tty/synclink_gt.c | 7 +-
    drivers/tty/tty_io.c | 34 +++--
    drivers/tty/tty_port.c | 17 +++
    drivers/tty/vt/keyboard.c | 6 +-
    drivers/tty/vt/vt.c | 62 ++++----
    drivers/usb/class/cdc-acm.c | 3 +-
    drivers/usb/gadget/u_serial.c | 3 +-
    drivers/usb/serial/usb-serial.c | 2 +-
    include/linux/kbd_kern.h | 12 --
    include/linux/tty.h | 5 +
    include/linux/tty_driver.h | 1 +
    include/net/irda/ircomm_tty.h | 17 +--
    net/bluetooth/rfcomm/tty.c | 4 +-
    net/irda/ircomm/ircomm_param.c | 5 -
    net/irda/ircomm/ircomm_tty.c | 271 ++++++++++++++++-------------------
    net/irda/ircomm/ircomm_tty_attach.c | 40 ++++--
    net/irda/ircomm/ircomm_tty_ioctl.c | 25 ++--
    35 files changed, 450 insertions(+), 411 deletions(-)

    --
    1.7.10.3




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