linux-kernel - [PATCH 1/1] first line in booting the kernel

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Message-ID: <DB5PR01MB106208C72E8793B9D33E9188ACE70@DB5PR01MB1062.eurprd01.prod.exchangelabs.com>
Date:	Thu, 24 Dec 2015 09:55:14 +0000
From:	Alexandru GOIA <alexandru.goia@....pub.ro>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/1] first line in booting the kernel

What it does : first line of booting kernel, as seen in dmesg(1), will be the Linux kernel signature
(version, compiler, compiler hostname).

What it solves : it appers ahead of cgroup messages at booting.

So, instead of the unaesthetic lines :

Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct
Linux version 4 ....

... We will have :

Linux version 4 ...
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct

As normal .

<code>
--- linux-4.4-rc6/init/main.c.original	2015-12-24 09:55:58.208811356 +0200
+++ linux-4.4-rc6/init/main.c	2015-12-24 09:57:06.364813237 +0200
@@ -513,6 +513,8 @@
 	 */
 	boot_init_stack_canary();

+	pr_notice("%s", linux_banner);
+
 	cgroup_init_early();

 	local_irq_disable();
@@ -524,7 +526,6 @@
  */
 	boot_cpu_init();
 	page_address_init();
-	pr_notice("%s", linux_banner);
 	setup_arch(&command_line);
 	mm_init_cpumask(&init_mm);
 	setup_command_line(command_line);

</code>--
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