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>

diff --git a/init/Kconfig b/init/Kconfig
index e84c642..31505a5 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -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