Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751347AbdLKMvO (ORCPT ); Mon, 11 Dec 2017 07:51:14 -0500 Received: from mail-pg0-f66.google.com ([74.125.83.66]:35011 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752842AbdLKMvH (ORCPT ); Mon, 11 Dec 2017 07:51:07 -0500 X-Google-Smtp-Source: ACJfBoslBIyh/m5LZH5Rd6r/y5iA4fy5b9DDYr5hvDYC2iAwwF53sxlFGwuGQvFmoEUMtG0NpPiGAA== From: Sergey Senozhatsky X-Google-Original-From: Sergey Senozhatsky To: Andrew Morton , Russell King , Catalin Marinas , Mark Salter , Tony Luck , David Howells , Yoshinori Sato , Guan Xuetao , Borislav Petkov , Greg Kroah-Hartman , Thomas Gleixner , Peter Zijlstra , Vineet Gupta , Fengguang Wu Cc: Steven Rostedt , Petr Mladek , LKML , linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-ia64@vger.kernel.org, linux-am33-list@redhat.com, linux-sh@vger.kernel.org, linux-edac@vger.kernel.org, x86@kernel.org, linux-snps-arc@lists.infradead.org, Sergey Senozhatsky , Sergey Senozhatsky , Will Deacon Subject: [PATCH 02/13] arm64: do not use print_symbol() Date: Mon, 11 Dec 2017 21:50:14 +0900 Message-Id: <20171211125025.2270-3-sergey.senozhatsky@gmail.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> References: <20171211125025.2270-1-sergey.senozhatsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1220 Lines: 42 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