From: Alexander Stein <alexander.stein@systec-electronic.com>
To: barebox@lists.infradead.org
Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>,
Alexander Stein <alexander.stein@systec-electronic.com>
Subject: [PATCH 04/13] printk: Add printk_once
Date: Thu, 17 Mar 2016 11:00:20 +0100 [thread overview]
Message-ID: <1458208829-25570-5-git-send-email-alexander.stein@systec-electronic.com> (raw)
In-Reply-To: <1458208829-25570-1-git-send-email-alexander.stein@systec-electronic.com>
This is needed by upcoming list_sort implementation.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
---
include/printk.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/printk.h b/include/printk.h
index 822f64c..4b76ca1 100644
--- a/include/printk.h
+++ b/include/printk.h
@@ -92,6 +92,16 @@ static inline int pr_print(int level, const char *format, ...)
#define debug(fmt, arg...) __pr_printk(7, pr_fmt(fmt), ##arg)
#define pr_vdebug(fmt, arg...) __pr_printk(8, pr_fmt(fmt), ##arg)
+#define printk_once(fmt, ...) \
+({ \
+ static bool __print_once ; \
+ \
+ if (!__print_once) { \
+ __print_once = true; \
+ printk(fmt, ##__VA_ARGS__); \
+ } \
+})
+
struct log_entry {
struct list_head list;
char *msg;
--
2.7.3
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next prev parent reply other threads:[~2016-03-17 10:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-17 10:00 [PATCH 00/13] ubifs update Alexander Stein
2016-03-17 10:00 ` [PATCH 01/13] mtd: cfi-flash: Set MTD's writebufsize Alexander Stein
2016-03-17 10:00 ` [PATCH 02/13] mtd: ubi: Set max_write_size to actual value read from flash Alexander Stein
2016-03-17 10:00 ` [PATCH 03/13] rbtree: Update to u-boot v2016.03 Alexander Stein
2016-03-17 10:00 ` Alexander Stein [this message]
2016-03-17 10:00 ` [PATCH 05/13] Add list_sort from " Alexander Stein
2016-03-17 10:00 ` [PATCH 06/13] printk: Add pr_cont Alexander Stein
2016-03-17 10:00 ` [PATCH 07/13] compiler*.h: include/linux/compiler*.h with Linux 4.5 Alexander Stein
2016-03-17 10:00 ` [PATCH 08/13] module.h: Add THIS_MODULE Alexander Stein
2016-03-17 10:00 ` [PATCH 09/13] ARM: Add atomic.h from u-boot v2016.03 Alexander Stein
2016-03-17 10:00 ` [PATCH 10/13] Move GFP_NOFS to barebox-wrapper Alexander Stein
2016-03-17 10:00 ` [PATCH 11/13] barebox-wrapper: Implement kfree and vfree as static inline functions Alexander Stein
2016-03-30 6:19 ` Sascha Hauer
2016-03-17 10:00 ` [PATCH 12/13] barebox-wrapper: Add kcalloc and __vmalloc Alexander Stein
2016-03-17 10:00 ` [PATCH 13/13] ubifs: update implementation from u-boot v2016.03 Alexander Stein
2016-07-19 11:41 ` Renaud Barbier
2016-07-21 6:30 ` Sascha Hauer
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