[PATCH 05/13] mn10300: do not use print_symbol()
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- To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Mark Salter <msalter@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Vineet Gupta <vgupta@xxxxxxxxxxxx>, Fengguang Wu <fengguang.wu@xxxxxxxxx>
- Subject: [PATCH 05/13] mn10300: do not use print_symbol()
- From: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
- Date: Mon, 11 Dec 2017 21:50:17 +0900
- Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-am33-list@xxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-edac@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>, Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
- In-reply-to: <20171211125025.2270-1-sergey.senozhatsky@gmail.com>
- References: <20171211125025.2270-1-sergey.senozhatsky@gmail.com>
print_symbol() uses extra stack space to sprintf() symbol
information and then to feed that buffer to printk()
char buffer[KSYM_SYMBOL_LEN];
sprint_symbol(buffer, address);
printk(fmt, buffer);
Replace print_symbol() with a direct printk("%pS") call.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
---
arch/mn10300/kernel/traps.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c
index 800fd0801969..72d1015b2ae7 100644
--- a/arch/mn10300/kernel/traps.c
+++ b/arch/mn10300/kernel/traps.c
@@ -22,7 +22,6 @@
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
-#include <linux/kallsyms.h>
#include <linux/pci.h>
#include <linux/kdebug.h>
#include <linux/bug.h>
@@ -262,8 +261,7 @@ void show_trace(unsigned long *sp)
raslot = ULONG_MAX;
else
printk(" ?");
- print_symbol(" %s", addr);
- printk("\n");
+ printk(" %pS\n", (void *)addr);
}
}
--
2.15.1
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