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init/Kconfig: Hide printk log config if CONFIG_PRINTK=n 

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@joshtriplett.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: stable <stable@vger.kernel.org>
This commit is contained in:
Josh Triplett 2014-10-03 16:00:54 -07:00
parent 7d1311b93e
commit 361e9dfbaa
1 changed files with 2 additions and 0 deletions
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init/Kconfig
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@ -811,6 +811,7 @@ config LOG_BUF_SHIFT
int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
range 12 21
default 17
depends on PRINTK
help
Select the minimal kernel log buffer size as a power of 2.
The final size is affected by LOG_CPU_MAX_BUF_SHIFT config
@ -830,6 +831,7 @@ config LOG_CPU_MAX_BUF_SHIFT
range 0 21
default 12 if !BASE_SMALL
default 0 if BASE_SMALL
depends on PRINTK
help
This option allows to increase the default ring buffer size
according to the number of CPUs. The value defines the contribution