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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-11-07 16:58:05 -0700
committerLen Brown <len.brown@intel.com>2008-11-07 21:45:29 -0500
commita0d84a92df43b7206b9c1330a2cccf109cf0a41a (patch)
treec21171f847cb316fccd610db8017fa3126b38656 /drivers/acpi/Kconfig
parent87b586088ef953c602680e5aff8ab83a2e299498 (diff)
downloadlinux-a0d84a92df43b7206b9c1330a2cccf109cf0a41a.tar.bz2
ACPI: update debug parameter documentation
Reformat acpi.debug_layer and acpi.debug_level documentation so it's more readable, add some clues about how to figure out the mask bits that enable a specific ACPI_DEBUG_PRINT statement, and include some useful examples. Move the list of masks to Documentation/acpi/debug.txt (these are copies of the authoritative values in acoutput.h and acpi_drivers.h). Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/Kconfig')
-rw-r--r--drivers/acpi/Kconfig10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 90cb2a823b56..b0243fd55ac0 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -312,9 +312,13 @@ config ACPI_DEBUG
bool "Debug Statements"
default n
help
- The ACPI driver can optionally report errors with a great deal
- of verbosity. Saying Y enables these statements. This will increase
- your kernel size by around 50K.
+ The ACPI subsystem can produce debug output. Saying Y enables this
+ output and increases the kernel size by around 50K.
+
+ Use the acpi.debug_layer and acpi.debug_level kernel command-line
+ parameters documented in Documentation/acpi/debug.txt and
+ Documentation/kernel-parameters.txt to control the type and
+ amount of debug output.
config ACPI_DEBUG_FUNC_TRACE
bool "Additionally enable ACPI function tracing"