diff options
| author | Olof Johansson <olof@lixom.net> | 2014-09-24 11:20:48 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-09-24 11:21:01 -0700 |
| commit | 28fd837204236cf5b5533525e5b53c5176fa97a3 (patch) | |
| tree | ac7dcad925950bc0bb53c5a55cb199e31e7aaee0 /lib | |
| parent | c82eb464879dd0ecbe0c4cb1b80ac4e82b634872 (diff) | |
| parent | 64d14a31d5410ea34641c41795e0ba222bda740c (diff) | |
Merge tag 'imx-cleanup-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/cleanup
Merge "ARM: imx: cleanup for 3.18" from Shawn Guo:
The i.MX cleanup for 3.18:
- Reomve a few i.MX27 and i.MX1 board files
- Remove imx_scu_standby_enable() since core code handles scu
standby now
- Remove unnecessary iomux declaration
- Remove useless sound card property from vf610-twr dts
* tag 'imx-cleanup-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: Remove mach-mxt_td60 board file
ARM: i.MX: Remove i.MX1 ADS board support
ARM: dts: vf610-twr: remove useless property for sound card.
ARM: imx: remove imx_scu_standby_enable()
ARM: i.MX: Remove Phytec i.MX27 PCM038/PCM970 board files
ARM: i.MX: Remove mach-cpuimx27sd board file
ARM: imx: iomux: Do not export symbol without public declaration
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 11 |
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" |