init/Kconfig: Hide printk log config if CONFIG_PRINTK=n
authorJosh Triplett <josh@joshtriplett.org>
Fri, 3 Oct 2014 23:00:54 +0000 (16:00 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 5 Nov 2014 20:27:46 +0000 (20:27 +0000)
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@joshtriplett.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
[bwh: Backported to 3.2: drop change to CONFIG_LOG_CPU_MAX_BUF_SHIFT]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
init/Kconfig

index 43298f9..b8dc1de 100644 (file)
@@ -555,6 +555,7 @@ config LOG_BUF_SHIFT
        int "Kernel log buffer size (16 => 64KB, 17 => 128KB)"
        range 12 21
        default 17
+       depends on PRINTK
        help
          Select kernel log buffer size as a power of 2.
          Examples: