From patchwork Thu Dec 10 06:49:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yejune Deng X-Patchwork-Id: 11963479 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,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 7CAF2C4361B for ; Thu, 10 Dec 2020 06:50:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 342D022D02 for ; Thu, 10 Dec 2020 06:50:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730804AbgLJGuv (ORCPT ); Thu, 10 Dec 2020 01:50:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730364AbgLJGuu (ORCPT ); Thu, 10 Dec 2020 01:50:50 -0500 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E24DC0613CF; Wed, 9 Dec 2020 22:50:10 -0800 (PST) Received: by mail-pg1-x541.google.com with SMTP id w4so3285652pgg.13; Wed, 09 Dec 2020 22:50:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=k90lU5MzDzOvBvgIqg5sOl2XQp7To9eM40VLuqnHb9U=; b=BYO8V+E21HxPZIVpjjF0hPz0LkMPiIOtdY908V/YUOzQqKfaGyHPahZDwGFP61nxBb DOZhb5IgPGIhBZ+w8L6xROpnKP05rmij4YdzSLykNJwMZvA1K//9WnwggBYUnDbUK62h vXmPWjzDYz6ULAkCXzgTlxUGzBnReNBZZHAoKTWohduZYhAT3C7LDNH9mB+28XTFOmYd QCJokhwoOF5R0ieVmIgu3uj0Uc6hQpCy9Bh9HzyY/P27QIi61WtFnjuhZ/rdDPGUt8MJ yivFKQcSbFVXe8npOHdcKNsINc2zSuJGdg0QapXTNU/ohweMCfbvyLgAUNQB9QpGvTyr Np5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=k90lU5MzDzOvBvgIqg5sOl2XQp7To9eM40VLuqnHb9U=; b=oe/UHWOuFipgEDRG5Lu6Q21hU+ovFKB74mBIVBiJmJLR6J+ihNPA/JdZBw2texO1cf Jwle1tFpLbY0bGtata+0Ghiy4h9npqP5BcBttLqYuaKj4UzVVlbFzIiSID0NbU77+crl 6dcPO7IHdINPf12YiLmednItM4FaOMSGHW2pUMd0Y6DcSUDi4mKxeN9p7bHeFEQXfKSJ +EG5BLfCjsSMX8iG8kH52UvJoroigKFpp4ojQr/DWyg+aN4E1n+zVIXznRVgeUCnhJ2q TOZyRmV/5iObqprjYNr1hiasrRAN6EZpECgXGkiDQfVoR/YEEOgZGENUdkIF1mAcbWJ1 V/iA== X-Gm-Message-State: AOAM532k1nqrkvmmx4DpK37eH5eCnbEOgTxIq374HO6MlGhLbwm99vFj 0OsB7AI1cvOhZETVhaJ6n6zufuSeric= X-Google-Smtp-Source: ABdhPJyE4O/JwfyqisgnapywYS5mMB9cDM3XIK6asuCE7Ld1MOKY55smf4EoOYkOs1SY00+FgODg3Q== X-Received: by 2002:a65:4544:: with SMTP id x4mr5521631pgr.183.1607583010285; Wed, 09 Dec 2020 22:50:10 -0800 (PST) Received: from localhost.localdomain ([122.10.161.207]) by smtp.gmail.com with ESMTPSA id u3sm5096514pfu.47.2020.12.09.22.50.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Dec 2020 22:50:09 -0800 (PST) From: Yejune Deng To: ysato@users.sourceforge.jp, dalias@libc.org Cc: yejune.deng@gmail.com, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] sh: kdump: add some attribute to function Date: Thu, 10 Dec 2020 14:49:58 +0800 Message-Id: <1607582998-13098-1-git-send-email-yejune.deng@gmail.com> X-Mailer: git-send-email 1.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org add '__iomem' for ioremap() and '__user' for copy_to_user(). Signed-off-by: Yejune Deng Tested-by: John Paul Adrian Glaubitz --- arch/sh/kernel/crash_dump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c index a908612..5b41b59 100644 --- a/arch/sh/kernel/crash_dump.c +++ b/arch/sh/kernel/crash_dump.c @@ -26,7 +26,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, size_t csize, unsigned long offset, int userbuf) { - void *vaddr; + void __iomem *vaddr; if (!csize) return 0; @@ -34,7 +34,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); if (userbuf) { - if (copy_to_user(buf, (vaddr + offset), csize)) { + if (copy_to_user((void __user *)buf, (vaddr + offset), csize)) { iounmap(vaddr); return -EFAULT; }