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: Guan Xuetao <gxt at mprc.pku.edu.cn> --- arch/unicore32/kernel/process.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c index ddaf78ae6854..9a9d49bccc02 100644 --- a/arch/unicore32/kernel/process.c +++ b/arch/unicore32/kernel/process.c @@ -23,7 +23,6 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/interrupt.h> -#include <linux/kallsyms.h> #include <linux/init.h> #include <linux/cpu.h> #include <linux/elfcore.h> @@ -139,8 +138,8 @@ void __show_regs(struct pt_regs *regs) char buf[64]; show_regs_print_info(KERN_DEFAULT); - print_symbol("PC is at %s\n", instruction_pointer(regs)); - print_symbol("LR is at %s\n", regs->UCreg_lr); + printk("PC is at %pS\n", instruction_pointer(regs)); + printk("LR is at %pS\n", (void *)regs->UCreg_lr); printk(KERN_DEFAULT "pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" "sp : %08lx ip : %08lx fp : %08lx\n", regs->UCreg_pc, regs->UCreg_lr, regs->UCreg_asr, -- 2.15.1