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bug: Avoid Kconfig warning for BUG_ON_DATA_CORRUPTION

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The CONFIG_DEBUG_LIST option is normally meant for kernel developers
rather than production machines and is guarded by CONFIG_DEBUG_KERNEL.

In contrast, the newly added CONFIG_BUG_ON_DATA_CORRUPTION is meant
for security hardening and may be used on systems that intentionally
do not enable CONFIG_DEBUG_KERNEL. In this configuration, we get
a warning from Kconfig about the mismatched dependencies:

warning: (BUG_ON_DATA_CORRUPTION) selects DEBUG_LIST which has unmet direct dependencies (DEBUG_KERNEL)

This annotates the DEBUG_LIST option to be selectable by
BUG_ON_DATA_CORRUPTION when DEBUG_KERNEL is disabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 40cd725cfc7f ("bug: Provide toggle for BUG on data corruption")
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Arnd Bergmann 2016-08-26 17:42:00 +02:00 committed by Paul E. McKenney
parent 91a6cee6e3
commit 4520bcb2ba
1 changed files with 1 additions and 1 deletions
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2
lib/Kconfig.debug
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@ -1214,7 +1214,7 @@ config DEBUG_BUGVERBOSE
config DEBUG_LIST
bool "Debug linked list manipulation"
depends on DEBUG_KERNEL
depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION
help
Enable this to turn on extended checks in the linked-list
walking routines.