From patchwork Sat Jun 3 11:11:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miaohe Lin X-Patchwork-Id: 102756 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp1442391vqr; Fri, 2 Jun 2023 20:27:52 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4GDoolx+I/aZ5o0O9LZqSkMbukk/bNrnYCwqdmp4rieqp1fWzyjcVYuG8vFL8APWA0wdzE X-Received: by 2002:a9d:64ca:0:b0:6af:7f94:5f15 with SMTP id n10-20020a9d64ca000000b006af7f945f15mr4365016otl.20.1685762871892; Fri, 02 Jun 2023 20:27:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685762871; cv=none; d=google.com; s=arc-20160816; b=GQEod7+cLTrNWp1kPe8cdmaI24dkKSsAqBhmTEcbitZZECQWkG/R1sNsWUfP4D3vf8 5SyMy03zvJV/E++CXlKhYlstaaKLC2Pz7szoFhnVvUJqit3UN61kIcS3wXnqD+fG4Hr7 yUWoe4CdrRBQtrnJrjq9JvY/7WzJR4k1h6L5lTgrFds/k5VEkIn+6vwz37yFjk6D7DYt AwCNvpbIeG1aaeYxTcH/MehFke5RiOMq6c9htNQq3oOOfQj29y9UI7TOgd2m6HHWvy0j bx/cuq27bkSPyFidbBCasuQ3h2yMPyD5qoupnV7rfO8fvKiMYqZiuEFovGFJXPuP3bIs saKw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=UZtzJ5ac4f2oEff2LuomgrnNCMl4tCPuGv95iN0cwmI=; b=EAUWzNr7Ed1f3jxXA5HYLwNRyCveYAiKThZBq/r0vmQkdYA1EhWsPUP1VR3dpnfZxD wE1rF6/GbAvD/PK5C2sbukVZHy7azklrnPrqcIN7WNncW8qM0diL4EFygtqmZOM1EJfh qdhgXeCqYhQncvOtb6iVLaP1S4peoYFMdbTu2ZONRsWDf67LUMn0Q+Qba6d/p8X2CBFj 4C/+nkWelgh/8acZb6Ix13RSqIN+3inuSWdmT9HvbEdAU0PawaHPjQJiPy69FATLO0p4 j5Ssse0xMjqaG3gBX6HJLO682JzbAkGyS4CFX8eNEV7Nafq0mQKKOFglxTJjBYSbv/Eq D8MQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x63-20020a638642000000b0053b8f80c63dsi2034808pgd.734.2023.06.02.20.27.36; Fri, 02 Jun 2023 20:27:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232993AbjFCDUO (ORCPT + 99 others); Fri, 2 Jun 2023 23:20:14 -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 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 X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DATE_IN_FUTURE_06_12, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767650489132701446?= X-GMAIL-MSGID: =?utf-8?q?1767650489132701446?= 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/severity.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; - current->mce_vaddr = (void __user *)addr; - return true; } 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 #ifdef CONFIG_X86_MCE - void __user *mce_vaddr; __u64 mce_kflags; u64 mce_addr; __u64 mce_ripv : 1,