From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Date: Mon, 11 Dec 2017 12:50:13 +0000 Subject: [PATCH 01/13] arm: do not use print_symbol() Message-Id: <20171211125025.2270-2-sergey.senozhatsky@gmail.com> List-Id: References: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> In-Reply-To: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org 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 Cc: Russell King --- 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 #include #include -#include #include #include #include @@ -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