[PATCH 3.13 160/163] init/Kconfig: Hide printk log config if CONFIG_PRINTK=n

From: Kamal Mostafa
Date: Thu Oct 09 2014 - 17:15:48 EST -stable review patch. If anyone has any objections, please let me know.


From: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

commit 361e9dfbaae84b0b246ed18d1ab7c82a1a41b53e upstream.

The buffers sized by CONFIG_LOG_BUF_SHIFT and
CONFIG_LOG_CPU_MAX_BUF_SHIFT do not exist if CONFIG_PRINTK=n, so don't
ask about their size at all.

Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
[ kamal: backport to 3.13-stable: only LOG_BUF_SHIFT ]
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
init/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/init/Kconfig b/init/Kconfig
index c3a1d7c..bb3a9f1 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -783,6 +783,7 @@ config LOG_BUF_SHIFT
int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
range 12 21
default 17
+ depends on PRINTK
Select kernel log buffer size as a power of 2.

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