From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Date: Mon, 11 Dec 2017 12:50:14 +0000 Subject: [PATCH 02/13] arm64: do not use print_symbol() Message-Id: <20171211125025.2270-3-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: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/process.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 6b7dcf4310ac..44bed43814e2 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -35,7 +35,6 @@ #include #include #include -#include #include #include #include @@ -221,8 +220,8 @@ void __show_regs(struct pt_regs *regs) show_regs_print_info(KERN_DEFAULT); print_pstate(regs); - print_symbol("pc : %s\n", regs->pc); - print_symbol("lr : %s\n", lr); + printk("pc : %pS\n", (void *)regs->pc); + printk("lr : %pS\n", (void *)lr); printk("sp : %016llx\n", sp); i = top_reg; -- 2.15.1