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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 ACFDFC43381 for ; Mon, 18 Feb 2019 18:42:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7FFD521736 for ; Mon, 18 Feb 2019 18:42:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MMBGrl6Y" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FFD521736 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id: References:In-Reply-To:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=BQ8G9BVE3DVzVU729q/zVDJ/xt9JYKvdIYyu+GEPA5A=; b=MMBGrl6YLqy8xFyin7sLyZZ8uY 65ITCHHC8ald1TF8MWM3+gAe1X+jrCf0RNXn0X4ZVYZyx8cpLG/ZfnRnVtgx2z/+FnU74jz/2LytH J+OXFaPz5/TwTyERtmWAtLj5UwSyk7FKHevkpzrDM3mldHBxsV35auMzM70c4+1SFB9gK56QAeK/P tszHN/x8/ws/RVDqP+3ZybI4R3Lgxi6pp6oXfwll52by0rLateZyOzn80+UsLQWXCKuAuQPb4Zk/G rzoy6bWHpsiZ0XykfPM4dJFvdQG4uonRXAJpmUvmJvhe+ysBFQl7l8YJJFNmW8ybWNtpV3dE38MYm iZLkermQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvnrg-0002Rg-Q7; Mon, 18 Feb 2019 18:42:04 +0000 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvnre-0002R4-6N for linux-riscv@lists.infradead.org; Mon, 18 Feb 2019 18:42:03 +0000 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x1IIcpIw057593 for ; Mon, 18 Feb 2019 13:42:01 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2qr151b2vg-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 18 Feb 2019 13:42:01 -0500 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 18 Feb 2019 18:41:54 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x1IIfrJJ55181540 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 18 Feb 2019 18:41:53 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 459D2AE051; Mon, 18 Feb 2019 18:41:53 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 344B7AE04D; Mon, 18 Feb 2019 18:41:48 +0000 (GMT) Received: from rapoport-lnx (unknown [9.148.207.239]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 18 Feb 2019 18:41:48 +0000 (GMT) Received: by rapoport-lnx (sSMTP sendmail emulation); Mon, 18 Feb 2019 20:41:46 +0200 From: Mike Rapoport To: Andrew Morton Subject: [PATCH v2 3/4] init: free_initmem: poison freed init memory Date: Mon, 18 Feb 2019 20:41:24 +0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550515285-17446-1-git-send-email-rppt@linux.ibm.com> References: <1550515285-17446-1-git-send-email-rppt@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19021818-0008-0000-0000-000002C1EA74 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19021818-0009-0000-0000-0000222E1A1E Message-Id: <1550515285-17446-4-git-send-email-rppt@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-02-18_14:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=828 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1902180138 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190218_104202_338145_7997D9AA X-CRM114-Status: GOOD ( 19.58 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-hexagon@vger.kernel.org, Palmer Dabbelt , linux-kernel@vger.kernel.org, Richard Kuo , linux-mm@kvack.org, linux-riscv@lists.infradead.org, Mike Rapoport , Christoph Hellwig MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Various architectures including x86 poison the freed init memory. Do the same in the generic free_initmem implementation and switch sparc32 architecture that is identical to the generic code over to it now. Signed-off-by: Mike Rapoport --- arch/sparc/mm/init_32.c | 5 ----- init/main.c | 2 +- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index f0dbc0b..d02a9ae 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -294,11 +294,6 @@ void __init mem_init(void) mem_init_print_info(NULL); } -void free_initmem (void) -{ - free_initmem_default(POISON_FREE_INITMEM); -} - void sparc_flush_page_to_ram(struct page *page) { unsigned long vaddr = (unsigned long)page_address(page); diff --git a/init/main.c b/init/main.c index 38d69e0..9a61e9c 100644 --- a/init/main.c +++ b/init/main.c @@ -1049,7 +1049,7 @@ static inline void mark_readonly(void) void __weak free_initmem(void) { - free_initmem_default(-1); + free_initmem_default(POISON_FREE_INITMEM); } static int __ref kernel_init(void *unused) -- 2.7.4 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv