linux-kernel - [PATCH (sent originally to netdev)] device: Add dev_<level>

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1416277102.29010.14.camel@perches.com>
Date:	Mon, 17 Nov 2014 18:18:22 -0800
From:	Joe Perches <joe@...ches.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>, davem@...emloft.net,
	Florian Fainelli <f.fainelli@...il.com>,
	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH (sent originally to netdev)] device: Add dev_<level>_once
 variants

Add the equivalents to pr_<level>_once.

Suggested-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Joe Perches <joe@...ches.com>
---
 include/linux/device.h | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index ce1f2160..a1ee071 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1118,6 +1118,41 @@ do {						     \
 })
 #endif
 
+#ifdef CONFIG_PRINTK
+#define dev_level_once(dev_level, dev, fmt, ...)			\
+do {									\
+	static bool __print_once __read_mostly;				\
+									\
+	if (!__print_once) {						\
+		__print_once = true;					\
+		dev_level(dev, fmt, ##__VA_ARGS__);			\
+	}								\
+} while (0)
+#else
+#define dev_level_once(dev_level, dev, fmt, ...)			\
+do {									\
+	if (0)								\
+		dev_level(dev, fmt, ##__VA_ARGS__);			\
+} while (0)
+#endif
+
+#define dev_emerg_once(dev, fmt, ...)					\
+	dev_level_once(dev_emerg, dev, fmt, ##__VA_ARGS__)
+#define dev_alert_once(dev, fmt, ...)					\
+	dev_level_once(dev_alert, dev, fmt, ##__VA_ARGS__)
+#define dev_crit_once(dev, fmt, ...)					\
+	dev_level_once(dev_crit, dev, fmt, ##__VA_ARGS__)
+#define dev_err_once(dev, fmt, ...)					\
+	dev_level_once(dev_err, dev, fmt, ##__VA_ARGS__)
+#define dev_warn_once(dev, fmt, ...)					\
+	dev_level_once(dev_warn, dev, fmt, ##__VA_ARGS__)
+#define dev_notice_once(dev, fmt, ...)					\
+	dev_level_once(dev_notice, dev, fmt, ##__VA_ARGS__)
+#define dev_info_once(dev, fmt, ...)					\
+	dev_level_once(dev_info, dev, fmt, ##__VA_ARGS__)
+#define dev_dbg_once(dev, fmt, ...)					\
+	dev_level_once(dev_info, dev, fmt, ##__VA_ARGS__)
+
 #define dev_level_ratelimited(dev_level, dev, fmt, ...)			\
 do {									\
 	static DEFINE_RATELIMIT_STATE(_rs,				\


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/