[PATCH 03/13] c6x: 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 03/13] c6x: do not use print_symbol()
- From: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
- Date: Mon, 11 Dec 2017 21:50:15 +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>, Aurelien Jacquiot <jacquiot.aurelien@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: Mark Salter <msalter@xxxxxxxxxx>
Cc: Aurelien Jacquiot <jacquiot.aurelien@xxxxxxxxx>
---
arch/c6x/kernel/traps.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/c6x/kernel/traps.c b/arch/c6x/kernel/traps.c
index 09b8a40d5680..4c1d4b84dd2b 100644
--- a/arch/c6x/kernel/traps.c
+++ b/arch/c6x/kernel/traps.c
@@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/sched/debug.h>
-#include <linux/kallsyms.h>
#include <linux/bug.h>
#include <asm/soc.h>
@@ -375,8 +374,7 @@ static void show_trace(unsigned long *stack, unsigned long *endstack)
if (i % 5 == 0)
pr_debug("\n ");
#endif
- pr_debug(" [<%08lx>]", addr);
- print_symbol(" %s\n", addr);
+ pr_debug(" [<%08lx>] %pS\n", addr, (void *)addr);
i++;
}
}
--
2.15.1
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