Hi all,
Here is a new revision, mostly tty reworks. The new tty_port stuff is a
bliss: no more per-driver mutex, no more counting for open(),
well-separated initialization callbacks (I hope I got them right :-).
But since I now use a lot of new tty_port stuff, I had to rebase the
patch set on top of tty-next, so there's no point in cherry-picking
anymore.
So, in v6:
- Converted the NMI tty driver to use tty_port helpers, per Alan Cox's
suggestions;
- In uart's poll_init callback fixed a race, spotted by Alan;
- Use test_bit instead of touching port->flags directly;
These patches can be found in the following repo (based on tty-next):
git://git.infradead.org/users/cbou/linux-nmi-kdb.git master
Old changelogs and rationale for these patches can be found here:
v1-v5: http://lkml.org/lkml/2012/9/10/2
Thanks,
--
arch/arm/Kconfig | 19 ++
arch/arm/common/vic.c | 28 +++
arch/arm/include/asm/hardware/vic.h | 2 +
arch/arm/include/asm/kgdb.h | 8 +
arch/arm/kernel/Makefile | 1 +
arch/arm/kernel/entry-armv.S | 167 +------------
arch/arm/kernel/entry-header.S | 170 +++++++++++++
arch/arm/kernel/kgdb_fiq.c | 99 ++++++++
arch/arm/kernel/kgdb_fiq_entry.S | 87 +++++++
arch/arm/mach-versatile/Makefile | 1 +
arch/arm/mach-versatile/kgdb_fiq.c | 31 +++
drivers/tty/serial/Kconfig | 19 ++
drivers/tty/serial/Makefile | 1 +
drivers/tty/serial/amba-pl011.c | 66 ++++-
drivers/tty/serial/kgdb_nmi.c | 391 ++++++++++++++++++++++++++++++
drivers/tty/serial/kgdboc.c | 16 ++
drivers/tty/serial/serial_core.c | 32 +++
include/linux/kdb.h | 29 ++-
include/linux/kgdb.h | 34 +++
include/linux/serial_core.h | 2 +
include/linux/tty_driver.h | 1 +
kernel/debug/debug_core.c | 36 ++-
kernel/debug/kdb/kdb_main.c | 29 +++
23 files changed, 1076 insertions(+), 193 deletions(-)
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