Clarify the advice to use C string concatenation
macros with printk().
Signed-off-by: Michael Witten <mfwitten@xxxxxxxxx>
---
Documentation/DocBook/kernel-hacking.tmpl | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/DocBook/kernel-hacking.tmpl b/Documentation/DocBook/kernel-hacking.tmpl
index 540ed45..8eacb6c 100644
--- a/Documentation/DocBook/kernel-hacking.tmpl
+++ b/Documentation/DocBook/kernel-hacking.tmpl
@@ -434,8 +434,12 @@
and reporting errors, and can be used inside interrupt context,
but use with caution: a machine which has its console flooded with
printk messages is unusable. It uses a format string mostly
- compatible with ANSI C printf, and C string concatenation to give
- it a first "priority" argument:
+ compatible with ANSI C printf.
</para>
+
+ <para>
+ Provide a <firstterm>message priority level</firstterm> by using
+ predefined macros and C string concatenation:
+ </para>
<programlisting>
--
1.7.0.94.gf7311
--
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