Re: [PATCH 2/3] early_printk: Add force_early_printk kernel parameter

[Peter Zijlstra]

On Thu, Sep 28, 2017 at 08:41:37AM -0700, Randy Dunlap wrote:

> Please add that kernel parameter to Documentation/admin-guide/kernel-parameters.txt.

Something like so?

--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1165,6 +1165,11 @@
 			parameter will force ia64_sal_cache_flush to call
 			ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
 
+	force_early_printk
+			Forcefully uses early_console (as per earlyprintk=)
+			usage for regular printk, bypassing everything,
+			including the syslog (dmesg will be empty).
+
 	forcepae [X86-32]
 			Forcefully enable Physical Address Extension (PAE).
 			Many Pentium M systems disable PAE but may have a