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 at gmail.com>
Cc: Russell King <linux at armlinux.org.uk>
---
arch/arm/kernel/process.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index d96714e1858c..db004f6f547a 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -21,7 +21,6 @@
#include <linux/unistd.h>
#include <linux/user.h>
#include <linux/interrupt.h>
-#include <linux/kallsyms.h>
#include <linux/init.h>
#include <linux/elfcore.h>
#include <linux/pm.h>
@@ -121,8 +120,8 @@ void __show_regs(struct pt_regs *regs)
show_regs_print_info(KERN_DEFAULT);
- print_symbol("PC is at %s\n", instruction_pointer(regs));
- print_symbol("LR is at %s\n", regs->ARM_lr);
+ printk("PC is at %pS\n", instruction_pointer(regs));
+ printk("LR is at %pS\n", (void *)regs->ARM_lr);
printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n",
regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr);
printk("sp : %08lx ip : %08lx fp : %08lx\n",
--
2.15.1
