init/Kconfig: Hide printk log config if CONFIG_PRINTK=n (361e9dfb) · Commits · 戴 / test

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>

init/Kconfig

+2 −0

Original line number	Diff line number	Diff line
		@@ -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

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