Commit Graph

23 Commits

Author SHA1 Message Date
Stephen Boyd 5ca43f6c3b lib: consolidate DEBUG_STACK_USAGE option
Most arches define CONFIG_DEBUG_STACK_USAGE exactly the same way.  Move it
to lib/Kconfig.debug so each arch doesn't have to define it.  This
obviously makes the option generic, but that's fine because the config is
already used in generic code.

It's not obvious to me that sysrq-P actually does anything caution by
keeping the most inclusive wording.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-25 08:39:54 -07:00
Stephen Boyd b025a3f836 ARM: 6876/1: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORS
This config option isn't actually used anywhere and can be safely
removed. The last user was traps.c before commit 082f47a ([ARM]
always allow dump_stack() to produce a backtrace, 2007-07-05).

Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-14 09:15:24 +01:00
Russell King 4073723acb Merge branch 'misc' into devel
Conflicts:
	arch/arm/Kconfig
	arch/arm/common/Makefile
	arch/arm/kernel/Makefile
	arch/arm/kernel/smp.c
2011-01-06 22:32:52 +00:00
Russell King 4a50bfe365 ARM: Ensure experimental options are so marked
It is kernel-wide policy that options depending on EXPERIMENTAL should
also have '(EXPERIMENTAL)' in their option text, and options with
'(EXPERIMENTAL)' depend on EXPERIMENTAL.

Ensure that all ARM options comply with this.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-12-05 23:06:22 +00:00
Rabin Vincent 0e341af835 ARM: ftrace: enable function graph tracer
Add the options to enable the function graph tracer on ARM.  Function
graph tracer support requires frame pointers, so exclude Thumb-2 and
also make sure FRAME_POINTER gets enabled when FUNCTION_GRAPH_TRACER is
used, since FUNCTION_TRACER doesn't "select FRAME_POINTER" when
ARM_UNWIND is used.  Therefore, with GCC 4.4.0+, you get plain function
tracing without frame pointers, but you'll need them if you want
function graph tracing.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rabin Vincent <rabin@rab.in>
2010-11-19 21:43:28 +05:30
Russell King 809b4e00ba Merge branch 'devel-stable' into devel 2010-10-19 22:06:36 +01:00
Nicolas Pitre 087aaffcdf ARM: implement CONFIG_STRICT_DEVMEM by disabling access to RAM via /dev/mem
There are very few legitimate use cases, if any, for directly accessing
system RAM through /dev/mem.  So let's mimic what they do on x86 and
forbid it when CONFIG_STRICT_DEVMEM is turned on.

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
2010-10-01 22:31:34 -04:00
Rabin Vincent 09bfafac3e ARM: 6314/1: ftrace: allow build without frame pointers on ARM
With a new enough GCC, ARM function tracing can be supported without the
need for frame pointers.  This is essential for Thumb-2 support, since
frame pointers aren't available then.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-09-02 15:24:53 +01:00
Ben Dooks 89f1fa080b ARM: SAMSUNG: Move plat-s3c Kconfig entries to plat-samsung and plat-s3c24xx
Move the Kconfig entries from plat-s3c to plat-samsung and plat-s3c24xx
as necessary. The S3C_BOOT entries and the DMA configuration can go to
plat-samsung. The low-level UART configurations are currently S3C2XX
specific and can go to plat-s3c24xx.

Eliminating plat-s3c from the build process will be submitted seperately.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-02-24 01:52:06 +00:00
Russell King bc7ecbcbc2 Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel 2009-12-13 16:35:09 +00:00
Catalin Marinas 93fd03a8c6 ARM: Add an earlyprintk debug console
This patch allows an earlyprintk console if CONFIG_DEBUG_LL is enabled,
using the printch asm function.

The patch is based on the original work by Sascha Hauer.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Pavel Machek <pavel@ucw.cz>
2009-12-09 10:02:18 +00:00
Alexander Shishkin c5d6c7708c ARM: 5841/1: a driver for on-chip ETM and ETB
This driver implements support for on-chip Embedded Tracing Macrocell and
Embedded Trace Buffer. It allows to trigger tracing of kernel execution flow
and exporting trace output to userspace via character device and a sysrq
combo.

Trace output can then be decoded by a fairly simple open source tool [1]
which is already sufficient to get the idea of what the kernel is doing.

[1]: http://github.com/virtuoso/etm2human

Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-02 10:25:22 +00:00
Catalin Marinas 16c79651a5 Thumb-2: Add Thumb-2 support to the build files
This patch adds the necessary entries to the Makefile and Kconfig
files for building the Thumb-2 kernel.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2009-07-24 12:33:02 +01:00
Ben Dooks a18327f35a [ARM] S3C: Remove unused CONFIG_DEBUG_S3C_PORT
Remove the unused CONFIG_DEBUG_S3C_PORT as we currently only have
support for using the S3C UARTs via the low-level debug code.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-06-23 12:24:07 +01:00
Jean-Christop PLAGNIOL-VILLARD c633c3cfcf [ARM] 5412/1: XSCALE: add ice dcc support
SCALE: add ice dcc support

Tested on the ixp425 with the ice PEEDI

Ack-by: Eric Miao <eric.miao@marvell.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-02-27 20:57:46 +00:00
Catalin Marinas adf8b37baf [ARM] 5386/2: unwind: Add Makefile and Kconfig entries for ARM stack unwinding
This patch also makes the frame pointer default to y only if
!ARM_UNWIND. LOCKDEP no longer selects FRAME_POINTER if ARM_UNWIND is
enabled.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-02-19 11:30:18 +00:00
Sascha Hauer ddf4e42c6a [ARM] CONFIG_DEBUG_STACK_USAGE
In early 2.6 days stack utilization instrumentation was made
configurable. Seems that arm misses the DEBUG_STACK_USAGE option.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2008-01-26 14:50:06 +00:00
Ben Dooks 3ec20520dd [ARM] 4514/1: S3C: Rename DEBUG_S3C2410_PORT and DEBUG_S3C_UART
Rename DEBUG_S3C2410_PORT to DEBUG_S3C_PORT as well as
DEBUG_S3C2410_UART to DEBUG_S3C_UART as part of the updates
to moving to plat-s3c for S3C base support.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22 16:44:33 +01:00
Ben Dooks c76578460f [ARM] 4513/1: S3C: Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT
Rename CONFIG_S3C2410_LOWLEVEL_UART_PORT to be
CONFIG_S3C_LOWLEVEL_UART_PORT as we move to using
plat-s3c for base of S3C operations.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-07-22 16:44:32 +01:00
Russell King eb8b0afc3a [ARM] Remove DEBUG_WAITQ
DEBUG_WAITQ appears to have been removed by others, but no one
removed the configuration option from ARM.  Remote it from both
Kconfig.debug and all default configurations.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 12:24:47 +00:00
Egry Gabor c41045a43a [ARM] Trivial typo fixes
Trivial typo fixes in Kconfig files (ARM).

Signed-off-by: Egry Gabor <gaboregry@t-online.hu>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-06-04 21:22:11 +01:00
Russell King 35efb606e5 [ARM] Fix typo in arch/arm/Kconfig.debug
It's called printch, not printchar

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-09-09 15:57:17 +01:00
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00