From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Document the fact that CONFIG_BOOT_PRINTK_DELAY must be enabled for the "boot_delay" kernel parameter to work. Also mention that "lpj=" may be necessary. Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> --- Documentation/admin-guide/kernel-parameters.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6cfa6e3996cf..b0b40b6a765c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -480,8 +480,9 @@ See Documentation/block/cmdline-partition.rst boot_delay= Milliseconds to delay each printk during boot. - Values larger than 10 seconds (10000) are changed to - no delay (0). + Enable CONFIG_BOOT_PRINTK_DELAY and also specify + "lpj=". Boot_delay values larger than 10 seconds + (10000) are changed to no delay (0). Format: integer bootconfig [KNL] -- 2.25.1
