linux-kernel - [PATCH 4/4 v13] x86/earlyprintk: add some early

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Message-Id: <1435412923-16852-1-git-send-email-kuleshovmail@gmail.com>
Date:	Sat, 27 Jun 2015 19:48:43 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Borislav Petkov <bp@...e.de>,
	David Cohen <david.a.cohen@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org,
	Alexander Kuleshov <kuleshovmail@...il.com>
Subject: [PATCH 4/4 v13] x86/earlyprintk: add some early_printk for tests

This patch is only for test of the full patch series. It provides
a couple calls of the early_printk function.

[Only for testing]

Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
---
 arch/x86/kernel/setup.c | 1 +
 init/main.c             | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index fc381ec..488b1ba 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -878,6 +878,7 @@ void __init setup_builtin_cmdline(void)
 
 void __init setup_arch(char **cmdline_p)
 {
+	early_printk("Beginning of the x86 specific setup\n");
 	memblock_reserve(__pa_symbol(_text),
 			 (unsigned long)__bss_stop - (unsigned long)_text);
 
diff --git a/init/main.c b/init/main.c
index c599aea..deeb2a2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -499,6 +499,8 @@ asmlinkage __visible void __init start_kernel(void)
 	char *command_line;
 	char *after_dashes;
 
+	early_printk("start_kernel from init/main.c started to work\n");
+
 	/*
 	 * Need to run as early as possible, to initialize the
 	 * lockdep hash:
--
2.4.4.410.gc71d752

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