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=-17.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 B0B52C07E99 for ; Fri, 9 Jul 2021 07:02:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91AA0613C9 for ; Fri, 9 Jul 2021 07:02:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230420AbhGIHEq (ORCPT ); Fri, 9 Jul 2021 03:04:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230121AbhGIHEp (ORCPT ); Fri, 9 Jul 2021 03:04:45 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE4EDC0613DD for ; Fri, 9 Jul 2021 00:02:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=pwuIcITniK9w5IFF54eSZuDc9sU7bVsabmXQgDk1Ybc=; b=wOzxKJ1hlN3J7N5KxzJEBMDB2v UPXO4vmhgKFBZzHW4ahHiUwrjkJzgtf4GuwhzAh0FIESftF7bEmV+zmjfWQpzUgeWIGURcg70RIZV 0WRGc1ApP6viENf0RNAX/d+wBs1ro5U2nuef15TPubTHimhJgK3XlA+7PWW/WA64CvpCKqOGh87Uw AdIY4rrEn2tS/Koq0dI4HQmsK1fwF6l7EkBkUdLRltu4JQF+doYPKmx01EozqyRUzP3SRRtOwGEV5 +mOIdxnW1tT31PomDLRZyPeuiKGtEabBAsMTtAyJiqDcjn6dS5AhOuLpFjXR03kLpv90duTAA+Vvb eIY6Tr9A==; Received: from p4fdb05cb.dip0.t-ipconnect.de ([79.219.5.203] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1m1kWB-00EFMt-Sy; Fri, 09 Jul 2021 07:01:53 +0000 From: Christoph Hellwig To: Geert Uytterhoeven , Greg Ungerer Cc: Michael Schmitz , linux-m68k@lists.linux-m68k.org Subject: [PATCH 1/7] m68k: document that access_ok is broken for !CONFIG_CPU_HAS_ADDRESS_SPACES Date: Fri, 9 Jul 2021 09:01:26 +0200 Message-Id: <20210709070132.3387689-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210709070132.3387689-1-hch@lst.de> References: <20210709070132.3387689-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org Document that access_ok is completely broken for coldfire and friends at the moment. Signed-off-by: Christoph Hellwig --- arch/m68k/include/asm/uaccess.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h index f98208ccbbcd..610bfe8d64d5 100644 --- a/arch/m68k/include/asm/uaccess.h +++ b/arch/m68k/include/asm/uaccess.h @@ -16,6 +16,10 @@ static inline int access_ok(const void __user *addr, unsigned long size) { + /* + * XXX: for !CONFIG_CPU_HAS_ADDRESS_SPACES this really needs to check + * for TASK_SIZE! + */ return 1; } -- 2.30.2