Merge tag 'fixes-v3.18-not-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

Merge "non-urgent omap fixes for v3.18 merge window" from Tony Lindgren:

Fixes for omaps that were not considered urgent enough
for the -rc cycle:

- Fixes for .dts files to differentiate panda and beaglebone versions
- Powerdomain fixes from Nishant Menon mostly for newer omaps
- Fixes for __initconst and of_device_ids const usage

* tag 'fixes-v3.18-not-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: make of_device_ids const
  ARM: omap2: make arrays containing machine compatible strings const
  ARM: OMAP4+: PM: Use only valid low power state for CPU hotplug
  ARM: OMAP4+: PM: use only valid low power state for suspend
  ARM: OMAP4+: PM: Make logic state programmable
  ARM: OMAP2+: powerdomain: introduce logic for finding valid power domain
  ARM: OMAP2+: powerdomain: pwrdm_for_each_clkdm iterate only valid clkdms
  ARM: OMAP5: powerdomain data: fix powerdomain powerstate
  ARM: OMAP: DRA7: powerdomain data: fix powerdomain powerstate
  ARM: dts: am335x-bone*: Fix model name and update compatibility information
  ARM: dts: omap4-panda: Fix model and SoC family details
  + Linux 3.17-rc3

Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 07c28323f88f..a28590083622 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -892,6 +892,10 @@ config DEBUG_WW_MUTEX_SLOWPATH
          the full mutex checks enabled with (CONFIG_PROVE_LOCKING) this
          will test all possible w/w mutex interface abuse with the
          exception of simply not acquiring all the required locks.
+         Note that this feature can introduce significant overhead, so
+         it really should not be enabled in a production or distro kernel,
+         even a debug kernel.  If you are a driver writer, enable it.  If
+         you are a distro, do not.
 
 config DEBUG_LOCK_ALLOC
         bool "Lock debugging: detect incorrect freeing of live locks"
@@ -1032,8 +1036,13 @@ config TRACE_IRQFLAGS
           either tracing or lock debugging.
 
 config STACKTRACE
-        bool
+        bool "Stack backtrace support"
         depends on STACKTRACE_SUPPORT
+        help
+          This option causes the kernel to create a /proc/pid/stack for
+          every process, showing its current stack trace.
+          It is also used by various kernel debugging features that require
+          stack trace generation.
 
 config DEBUG_KOBJECT
         bool "kobject debugging"