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authorLv Zheng <lv.zheng@intel.com>2015-12-03 10:43:14 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-12-15 00:17:44 +0100
commit836d0830188a97d5c73e8eb514f346a857c086b9 (patch)
treec2eb9b87cdf6a5096e8d3bf2d1418717b2023a10 /drivers/acpi/Kconfig
parent37645d6590a49d3009eecdf093599795da2b5b41 (diff)
ACPI / debugger: Add module support for ACPI debugger
This patch converts AML debugger into a loadable module. Note that, it implements driver unloading at the level dependent on the module reference count. Which means if ACPI debugger is being used by a userspace program, "rmmod acpi_dbg" should result in failure. Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/Kconfig')
-rw-r--r--drivers/acpi/Kconfig16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 2a7e6d4c3edc..82b96ee8624c 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -60,13 +60,23 @@ config ACPI_CCA_REQUIRED
config ACPI_DEBUGGER
bool "AML debugger interface"
select ACPI_DEBUG
- depends on DEBUG_FS
help
- Enable in-kernel debugging of AML facilities: statistics, internal
- object dump, single step control method execution.
+ Enable in-kernel debugging of AML facilities: statistics,
+ internal object dump, single step control method execution.
This is still under development, currently enabling this only
results in the compilation of the ACPICA debugger files.
+if ACPI_DEBUGGER
+
+config ACPI_DEBUGGER_USER
+ tristate "Userspace debugger accessiblity"
+ depends on DEBUG_FS
+ help
+ Export /sys/kernel/debug/acpi/acpidbg for userspace utilities
+ to access the debugger functionalities.
+
+endif
+
config ACPI_SLEEP
bool
depends on SUSPEND || HIBERNATION