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| author | Takashi Iwai <tiwai@suse.de> | 2014-09-22 10:12:16 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-09-22 10:12:16 +0200 |
| commit | 7639913f7298ed23a3f026ebcbb3b4e8850bcc39 (patch) | |
| tree | 26f08f061535015b748a96106f4869560e3afc63 /lib/Kconfig.debug | |
| parent | 4e9c58cb1219bcbcf6e698ed6541b275048bfa88 (diff) | |
| parent | f8fb117034847634bff8f02632151f7535981fa1 (diff) | |
Merge branch 'topic/hda-jack-rework' into for-next
This is a merge of rework of HD-audio jack event handling code.
It extends the jack table to allow multiple callbacks.
Diffstat (limited to 'lib/Kconfig.debug')
| -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" |