From: Joe Perches <joe@perches.com>
Date: Sun, 27 Oct 2013 03:41:53 +0000 (-0700)
Subject: printk: pr_debug_ratelimited: check state first to reduce "callbacks suppressed"... 
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~66^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29fc2bc75393864bbc9b90a7a13a0d0e11c6f41e;p=pandora-kernel.git

printk: pr_debug_ratelimited: check state first to reduce "callbacks suppressed" messages

pr_debug_ratelimited should be coded similarly to dev_dbg_ratelimited
to reduce the "callbacks suppressed" messages.

Add #include <linux/dynamic_debug.h> to printk.h. Unfortunately, this
new #include must be after the prototype/declaration of function printk.

It may be better to split out these _ratelimited declarations into
a separate file one day.

Any use of these pr_<foo>_ratelimited functions must also have another
specific #include <ratelimited.h>.  Most users have this done indirectly
via #include <linux/kernel.h>

printk.h may not #include <linux/ratelimit.h> as it causes circular
dependencies and compilation failures.

Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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