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 X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6DD25C28CB1 for ; Thu, 9 Sep 2021 13:10:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C3C6611B0 for ; Thu, 9 Sep 2021 13:10:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358853AbhIINJq (ORCPT ); Thu, 9 Sep 2021 09:09:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:43556 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357525AbhIINBk (ORCPT ); Thu, 9 Sep 2021 09:01:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3BDAC63287; Thu, 9 Sep 2021 11:59:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631188768; bh=7Wns3l9gX+H590DCvppk6lTmRGB+Hss0HwLW9cHwN+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LbjS3rNzN2YCMQ2j9j7OZ6HuKM4Mxw+8scrbcU9BnIY7+5SjrAhmTVAPv31XvZyIZ ihCcN5ly3ng2GaxpuaBHi27qMTX1Bp9QAJkciB4yz9EoOwohf0nQ0PziiIhmDuRzQP lU9FOyVBgOLJE4Up5NCGReVC1Us0VS9SH6D8rJXB58IuM5m/YSjJobW2yhmClAEyUB IDl7jGo/lK0LQd3bPM/oLWMTGn4y51KHPC0FaNeOxGOeSI0+qn3qrNPL4TDsvXMQeE yIMF7WCUzntccVJGXHT3dy160I2zB4jr9rUnPiojkjpiSNfkfmzVq/tHMMO0LyGhaM Z3z5eCD4Fn0fA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Heiko Carstens , Sasha Levin , linux-s390@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 22/59] s390/jump_label: print real address in a case of a jump label bug Date: Thu, 9 Sep 2021 07:58:23 -0400 Message-Id: <20210909115900.149795-22-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210909115900.149795-1-sashal@kernel.org> References: <20210909115900.149795-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Heiko Carstens [ Upstream commit 5492886c14744d239e87f1b0b774b5a341e755cc ] In case of a jump label print the real address of the piece of code where a mismatch was detected. This is right before the system panics, so there is nothing revealed. Signed-off-by: Heiko Carstens Signed-off-by: Sasha Levin --- arch/s390/kernel/jump_label.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c index 43f8430fb67d..608b363cd35b 100644 --- a/arch/s390/kernel/jump_label.c +++ b/arch/s390/kernel/jump_label.c @@ -43,7 +43,7 @@ static void jump_label_bug(struct jump_entry *entry, struct insn *expected, unsigned char *ipe = (unsigned char *)expected; unsigned char *ipn = (unsigned char *)new; - pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc); + pr_emerg("Jump label code mismatch at %pS [%px]\n", ipc, ipc); pr_emerg("Found: %6ph\n", ipc); pr_emerg("Expected: %6ph\n", ipe); pr_emerg("New: %6ph\n", ipn); -- 2.30.2