linux-kernel - [PATCH 2/4] printk: Remove kdb_syslog

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Message-ID: <20120721002754.GB2213@lizard>
Date:	Fri, 20 Jul 2012 17:27:54 -0700
From:	Anton Vorontsov <anton.vorontsov@...aro.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Kay Sievers <kay@...y.org>,
	Jason Wessel <jason.wessel@...driver.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, kgdb-bugreport@...ts.sourceforge.net
Subject: [PATCH 2/4] printk: Remove kdb_syslog_data

The function is no longer needed, so remove it.

Signed-off-by: Anton Vorontsov <anton.vorontsov@...aro.org>
---
 kernel/debug/kdb/kdb_private.h |    1 -
 kernel/printk.c                |   15 ---------------
 2 files changed, 16 deletions(-)

diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index 47c4e56..392ec6a 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -205,7 +205,6 @@ extern char kdb_grep_string[];
 extern int kdb_grep_leading;
 extern int kdb_grep_trailing;
 extern char *kdb_cmds[];
-extern void kdb_syslog_data(char *syslog_data[]);
 extern unsigned long kdb_task_state_string(const char *);
 extern char kdb_task_state_char (const struct task_struct *);
 extern unsigned long kdb_task_state(const struct task_struct *p,
diff --git a/kernel/printk.c b/kernel/printk.c
index 177fa49..c812967 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1192,21 +1192,6 @@ SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len)
 	return do_syslog(type, buf, len, SYSLOG_FROM_CALL);
 }
 
-#ifdef	CONFIG_KGDB_KDB
-/* kdb dmesg command needs access to the syslog buffer.  do_syslog()
- * uses locks so it cannot be used during debugging.  Just tell kdb
- * where the start and end of the physical and logical logs are.  This
- * is equivalent to do_syslog(3).
- */
-void kdb_syslog_data(char *syslog_data[4])
-{
-	syslog_data[0] = log_buf;
-	syslog_data[1] = log_buf + log_buf_len;
-	syslog_data[2] = log_buf + log_first_idx;
-	syslog_data[3] = log_buf + log_next_idx;
-}
-#endif	/* CONFIG_KGDB_KDB */
-
 static bool __read_mostly ignore_loglevel;
 
 static int __init ignore_loglevel_setup(char *str)
-- 
1.7.10.4

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