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-rw-r--r--config/Config-kernel.in12
1 files changed, 12 insertions, 0 deletions
diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index d5b565ea5e..3347254cb6 100644
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -68,6 +68,18 @@ config KERNEL_DEBUG_LL
help
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
bool "Compile the kernel with early printk"
default n