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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 947A1C433FF for ; Tue, 13 Aug 2019 09:02:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A24A20840 for ; Tue, 13 Aug 2019 09:02:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="RMvx9m7q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728189AbfHMJCA (ORCPT ); Tue, 13 Aug 2019 05:02:00 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:36260 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727224AbfHMJB5 (ORCPT ); Tue, 13 Aug 2019 05:01:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=3XW20xaecJx9fpOWMzYAwJ8tLhD8CCgA51pBcfFSdjE=; b=RMvx9m7qjawZcgTAEYd66hanK7 A/jT4/0GVvUva9AgyHbKFkhfI0FCDowN4/EkjX6l5YYzkq5k+9rgtYfkMt9ISNYZkl3tk8OtU5PTo xOlOPacunQRRAjA7Q5al7gkfLcb0PRhDsRP1YI0nWufC3Funs8Wa9it/lCcR1vSiWh3rVJtpgql3I +OsfV309YUW5/re91QKi1V3OV5N7mo19LnTwzFu7WxUnvSMgo/ojgzslzsbZgOt25JMLfezUKqCOo 87iZt60202FZBmtHzkeywnOu9ek0C3AjEAWOQVAVQTs4ZgqRRxlHlRIiEhA4hyGn1Jv9ZtSw2MpnV 3jIOmgzA==; Received: from [2001:4bb8:180:1ec3:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hxSgj-0006Ox-70; Tue, 13 Aug 2019 09:01:53 +0000 From: Christoph Hellwig To: Catalin Marinas , Will Deacon , x86@kernel.org Cc: Dave Hansen , Andy Lutomirski , Peter Zijlstra , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/6] arm64: unexport set_memory_x and set_memory_nx Date: Tue, 13 Aug 2019 11:01:41 +0200 Message-Id: <20190813090146.26377-2-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190813090146.26377-1-hch@lst.de> References: <20190813090146.26377-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No module currently messed with clearing or setting the execute permission of kernel memory, and none really should. Signed-off-by: Christoph Hellwig --- arch/arm64/mm/pageattr.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 03c53f16ee77..9ce7bd9d4d9c 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -128,7 +128,6 @@ int set_memory_nx(unsigned long addr, int numpages) __pgprot(PTE_PXN), __pgprot(0)); } -EXPORT_SYMBOL_GPL(set_memory_nx); int set_memory_x(unsigned long addr, int numpages) { @@ -136,7 +135,6 @@ int set_memory_x(unsigned long addr, int numpages) __pgprot(0), __pgprot(PTE_PXN)); } -EXPORT_SYMBOL_GPL(set_memory_x); int set_memory_valid(unsigned long addr, int numpages, int enable) { -- 2.20.1