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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 BEF75C43219 for ; Sat, 27 Apr 2019 06:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 823152077B for ; Sat, 27 Apr 2019 06:20:12 +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="NUFMy5+f" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726328AbfD0GUH (ORCPT ); Sat, 27 Apr 2019 02:20:07 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48092 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725966AbfD0GUH (ORCPT ); Sat, 27 Apr 2019 02:20:07 -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: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:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=eaz8Fey/P6Juel7qA1XCI3pNp2FBZB0JeB9ems7XCtA=; b=NUFMy5+fLZVuKxCmWdQi3ts21 COWk5nGvKHyFOHTVAbuK3A2ScJCZ5pQxuNiqnWdqzKZgd+Ori4PJ+9dwKMLI/QIr68qg1Wahgs2RS oo24w5BEzA2YuU0IBs2xMHkHE8LGwQXX5jCAtD7ZFXHg/KzMX13Mt+0edyWjkKUT2/ZNmXgMbqywQ uDckfS+0njOz8P7kVqgVBMH2dkT+JBHkam9SesKZVhCyBeCcIEBgvLqB9DyyWB1CMpOiyqJqmih+7 64kDFKdiCuBQxIcdkH5t57qGzIF61lIgypkGBPVZmY0cjkbIo5kW1Dy/9Ek9m/DnQzZ7HjFELw5JP HYMiGixzw==; Received: from [93.83.86.253] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hKGgt-0002Ro-Tl; Sat, 27 Apr 2019 06:20:04 +0000 From: Christoph Hellwig To: x86@kernel.org Cc: thomas.lendacky@amd.com, linux-kernel@vger.kernel.org Subject: [PATCH] x86: Remove various memory encryption exports Date: Sat, 27 Apr 2019 08:19:35 +0200 Message-Id: <20190427061935.4876-1-hch@lst.de> X-Mailer: git-send-email 2.20.1 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 None of these is used in modular code, and we should probably try to keep it that way. They can be added back if we really get a legitimate modular user. Signed-off-by: Christoph Hellwig --- FYI: this was inspired by the fact the s390 copied some of the exports, which made me wonder why they added them. I could not find any potential users either in their patchkit nor in mainline. arch/x86/mm/mem_encrypt.c | 2 -- arch/x86/mm/pageattr.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c index 385afa2b9e17..031e7702bd1e 100644 --- a/arch/x86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -339,13 +339,11 @@ bool sme_active(void) { return sme_me_mask && !sev_enabled; } -EXPORT_SYMBOL(sme_active); bool sev_active(void) { return sme_me_mask && sev_enabled; } -EXPORT_SYMBOL(sev_active); /* Architecture __weak replacement functions */ void __init mem_encrypt_free_decrypted_mem(void) diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 4c570612e24e..9d83c724293a 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -2066,13 +2066,11 @@ int set_memory_encrypted(unsigned long addr, int numpages) { return __set_memory_enc_dec(addr, numpages, true); } -EXPORT_SYMBOL_GPL(set_memory_encrypted); int set_memory_decrypted(unsigned long addr, int numpages) { return __set_memory_enc_dec(addr, numpages, false); } -EXPORT_SYMBOL_GPL(set_memory_decrypted); int set_pages_uc(struct page *page, int numpages) { -- 2.20.1