From nobody Sun Apr 28 00:03:12 2024 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 E5777C77B7A for ; Sat, 3 Jun 2023 03:20:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236694AbjFCDUQ (ORCPT ); Fri, 2 Jun 2023 23:20:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233305AbjFCDUK (ORCPT ); Fri, 2 Jun 2023 23:20:10 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69C18BD; Fri, 2 Jun 2023 20:20:07 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.57]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4QY4nt5fzxzLmW7; Sat, 3 Jun 2023 11:18:26 +0800 (CST) Received: from huawei.com (10.175.104.170) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Sat, 3 Jun 2023 11:20:04 +0800 From: Miaohe Lin To: , , , , CC: , , , , Subject: [PATCH v2] x86/mce: remove unused mce_vaddr Date: Sat, 3 Jun 2023 19:11:05 +0800 Message-ID: <20230603111105.174716-1-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.175.104.170] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Since commit a6e3cf70b772 ("x86/mce: Change to not send SIGBUS error during copy from user"), mce_vaddr is not used anymore. Remove it. Signed-off-by: Miaohe Lin --- arch/x86/kernel/cpu/mce/severity.c | 2 -- include/linux/sched.h | 1 - 2 files changed, 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mce/severity.c b/arch/x86/kernel/cpu/mce/s= everity.c index c4477162c07d..1c03221ddcb1 100644 --- a/arch/x86/kernel/cpu/mce/severity.c +++ b/arch/x86/kernel/cpu/mce/severity.c @@ -255,8 +255,6 @@ static bool is_copy_from_user(struct pt_regs *regs) if (fault_in_kernel_space(addr)) return false; =20 - current->mce_vaddr =3D (void __user *)addr; - return true; } =20 diff --git a/include/linux/sched.h b/include/linux/sched.h index eed5d65b8d1f..3054a7087230 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1493,7 +1493,6 @@ struct task_struct { #endif =20 #ifdef CONFIG_X86_MCE - void __user *mce_vaddr; __u64 mce_kflags; u64 mce_addr; __u64 mce_ripv : 1, --=20 2.27.0