[PATCH 0/9 v5] introduction of dmesg support

[PATCH 0/9 v5] introduction of dmesg support

[Jean-Christophe PLAGNIOL-VILLARD]

HI,

	v5: rebase on master
	   add missing kern_levels.h

	v4: remove a debug info

	v3: add more swtich

	we currently have 2 fifo at comsole level one for input one for output
	we fill the output fifo before any console is registered and then
	empty it

	Now we introduce a new mecanism as in the kernel dmesg

	we will always fill the dmesg kfifo with drivers output

	as in barebox we have 2 world

	device/drivers and applicaiotn (commands)

	the verbositty of the printk can be selected at runtime and
	compilation

	so for now on drivers will have to use pr_xxx and dev_xxx and
	application will use printf

	dmesg will print the kfifo at any time

	we will extend this later with more control of what the drivers output
	on the console or just in the fifo

	This new feature is optionnal if dmes is disable we continue as before

The following changes since commit 092bfd5eb55d1b2d7ed098aa9723a2fa63b86192:

  fix another brown paper bag bug introduced with compile time loglevel (2013-03-06 23:53:04 +0100)

are available in the git repository at:

  git://git.jcrosoft.org/barebox.git delivery/dmesg

for you to fetch changes up to 2ed2d3d1c481302eea186d5639022aedc1bd6e28:

  barebox_banner: switch to pr_info (2013-03-08 05:21:39 +0800)

----------------------------------------------------------------
Jean-Christophe PLAGNIOL-VILLARD (9):
      kfifo: introduce kfifo_dump_str to dump the fifo
      console: switch to kfifo_dump_str
      intoduce dmesg to print the barebox printk to dmesg ring buffer
      startup: switch to pr_xxx
      at91: clock switch to pr_info
      meminfo: switch to pr_xxx
      net/console: switch to pr_xxx
      startup: switch to pr_xxx
      barebox_banner: switch to pr_info

 arch/arm/mach-at91/clock.c      |    2 +-
 commands/Kconfig                |   19 +++++++++++++++++++
 common/console.c                |  125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 common/meminfo.c                |    6 +++---
 common/startup.c                |   12 ++++++------
 common/version.c                |    4 ++--
 drivers/base/driver.c           |   18 ++++++++++++------
 include/kfifo.h                 |    2 ++
 include/linux/barebox-wrapper.h |   11 -----------
 include/linux/kern_levels.h     |   25 +++++++++++++++++++++++++
 include/printk.h                |   59 ++++++++++++++++++++++++++++++++++++++++++-----------------
 lib/kfifo.c                     |   21 +++++++++++++++++++++
 net/netconsole.c                |    4 ++--
 13 files changed, 257 insertions(+), 51 deletions(-)
 create mode 100644 include/linux/kern_levels.h

Best Regards,
J.

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