diff options
Diffstat (limited to 'drivers/dpll/Kconfig')
| -rw-r--r-- | drivers/dpll/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/dpll/Kconfig b/drivers/dpll/Kconfig index ade872c915ac..be98969f040a 100644 --- a/drivers/dpll/Kconfig +++ b/drivers/dpll/Kconfig @@ -8,6 +8,21 @@ menu "DPLL device support" config DPLL bool +config DPLL_REFCNT_TRACKER + bool "DPLL reference count tracking" + depends on DEBUG_KERNEL && STACKTRACE_SUPPORT && DPLL + select REF_TRACKER + help + Enable reference count tracking for DPLL devices and pins. + This helps debugging reference leaks and use-after-free bugs + by recording stack traces for each get/put operation. + + The tracking information is exposed via debugfs at: + /sys/kernel/debug/ref_tracker/dpll_device_* + /sys/kernel/debug/ref_tracker/dpll_pin_* + + If unsure, say N. + source "drivers/dpll/zl3073x/Kconfig" endmenu |