From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21E08C433F5 for ; Thu, 2 Dec 2021 06:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236890AbhLBGV2 (ORCPT ); Thu, 2 Dec 2021 01:21:28 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:27333 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232569AbhLBGV1 (ORCPT ); Thu, 2 Dec 2021 01:21:27 -0500 Received: from dggeme755-chm.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4J4Qjv5rnHzbhyQ; Thu, 2 Dec 2021 14:17:55 +0800 (CST) Received: from huawei.com (10.67.174.47) by dggeme755-chm.china.huawei.com (10.3.19.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.20; Thu, 2 Dec 2021 14:18:03 +0800 From: He Ying To: , , , , , CC: , Subject: [PATCH] arm: Show real address of stack limit in __die() Date: Thu, 2 Dec 2021 01:19:16 -0500 Message-ID: <20211202061916.204718-1-heying24@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.174.47] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggeme755-chm.china.huawei.com (10.3.19.101) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Printing real address of stack limit makes debug easier. And system is dying, there is no security risk to show real address. Signed-off-by: He Ying --- arch/arm/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 195dff58bafc..7d7c86d00482 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -273,7 +273,7 @@ static int __die(const char *str, int err, struct pt_regs *regs) print_modules(); __show_regs(regs); __show_regs_alloc_free(regs); - pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n", + pr_emerg("Process %.*s (pid: %d, stack limit = 0x%px)\n", TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk)); if (!user_mode(regs) || in_interrupt()) { -- 2.17.1