linux-kernel - [PATCH] earlyprintk: re-enable earlyprintk calling early

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Message-Id: <1408011216-8621-1-git-send-email-kpark3469@gmail.com>
Date:	Thu, 14 Aug 2014 19:13:36 +0900
From:	kpark3469@...il.com
To:	akpm@...ux-foundation.org
Cc:	keun-o.park@...driver.com, hpa@...or.com,
	rafael.j.wysocki@...el.com, peterz@...radead.org,
	rusty@...tcorp.com.au, kirill.shutemov@...ux.intel.com,
	oleg@...hat.com, prarit@...hat.com, linux-kernel@...r.kernel.org
Subject: [PATCH] earlyprintk: re-enable earlyprintk calling early_param

From: Sahara <keun-o.park@...driver.com>

Although there are many obs_kernel_param and its names are
earlyprintk and also EARLY_PRINTK is also enabled, we could not
see the early_printk output properly until now. This patch
considers earlycon as well as earlyprintk.

Signed-off-by: Sahara <keun-o.park@...driver.com>
---
 init/main.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/init/main.c b/init/main.c
index bb1aed9..235d248 100644
--- a/init/main.c
+++ b/init/main.c
@@ -426,7 +426,8 @@ static int __init do_early_param(char *param, char *val, const char *unused)
 	for (p = __setup_start; p < __setup_end; p++) {
 		if ((p->early && parameq(param, p->str)) ||
 		    (strcmp(param, "console") == 0 &&
-		     strcmp(p->str, "earlycon") == 0)
+		     ((strcmp(p->str, "earlycon") == 0) ||
+		     (strcmp(p->str, "earlyprintk") == 0)))
 		) {
 			if (p->setup_func(val) != 0)
 				pr_warn("Malformed early option '%s'\n", param);
-- 
1.7.9.5

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