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config: add KERNEL_DYNAMIC_DEBUG option

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Useful when debugging kernel which uses this infrastructure, for
example ubi/ubifs.

Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 39007
This commit is contained in:
Luka Perkov 2013-12-09 11:30:16 +00:00
parent 3ceb6b3274
commit ef5e13325e
1 changed files with 12 additions and 0 deletions
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12
config/Config-kernel.in
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@ -68,6 +68,18 @@ config KERNEL_DEBUG_LL
help help
ARM low level debugging ARM low level debugging
config KERNEL_DYNAMIC_DEBUG
bool "Compile the kernel with dynamic printk"
select KERNEL_DEBUG_FS
default n
help
Compiles debug level messages into the kernel, which would not
otherwise be available at runtime. These messages can then be
enabled/disabled based on various levels of scope - per source file,
function, module, format string, and line number. This mechanism
implicitly compiles in all pr_debug() and dev_dbg() calls, which
enlarges the kernel text size by about 2%.
config KERNEL_EARLY_PRINTK config KERNEL_EARLY_PRINTK
bool "Compile the kernel with early printk" bool "Compile the kernel with early printk"
default n default n