From: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Date: Sun, 6 Dec 2009 01:20:26 +0000 (-0200)
Subject: printk.
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fkernel%2Fold_slides%2F.git;a=commitdiff_plain;h=2f5c58286588874194b99840d9c1c2b5bb27b0d4

printk.
---

diff --git a/01.hello/01.hello.xml b/01.hello/01.hello.xml
index 954422f..5f424e6 100644
--- a/01.hello/01.hello.xml
+++ b/01.hello/01.hello.xml
@@ -50,6 +50,16 @@ kernel to remove them when they are not needed, reducing memory consumption.
 </para>
 </foil>
 
+<foil>
+<title>printk</title>
+<para>
+<emphasis>printk</emphasis> is very similar to printf. The messages are usually
+preceded by a string in the form &lt;n&gt;, where <emphasis>n</emphasis> is a
+priority. There are macros, like <emphasis>KERN\_ALERT</emphasis> and
+<emphasis>KERN\_DEBUG</emphasis> to use for that.
+</para>
+</foil>
+
 <foil>
 <title>Building</title>
 <para>