From patchwork Mon Apr 12 08:00:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Zijlstra X-Patchwork-Id: 12197095 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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 25203C433B4 for ; Mon, 12 Apr 2021 08:09:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 C7C4B61279 for ; Mon, 12 Apr 2021 08:09:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7C4B61279 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DAD696E215; Mon, 12 Apr 2021 08:09:06 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id D7EA96E1D8 for ; Mon, 12 Apr 2021 08:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Subject:Cc:To:From:Date:Message-ID: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To:References; bh=lvcAH3egkmdk3BEVnfleRsOyxvt27C1nGCYDzcE+hkk=; b=sQ5jFlOYyMTzY0JnGSHwnsBEas 3VVJi+90/a64uIGmKHJMN1RZcsGxuwH1JhqV0BEk/hNjPdSW4MkvVQq7bunC7rnk9y9ZiCj8Qb8ZM ZLzkzVA2ISZrT7mRczADplemHqCFAWIYIURVGtWdalUgynLRJ/8Tge/Rie3hXAWkT5MB5dNtoWTrW VI8m/Da5y0acWJvV12VGOwYct7eAOJBhj7z0vltT3YU/697ZzTWCSt/W54YfQ1z0bdE4vhPF74ZER bPcmKKF8kBzlszyzb6jq8S5SJmDlWwtrr0A1S/FjtGCGr13YoJOtZtjFK+IQy9Mfo7a5kF9GBnxOm OfUV58Jg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lVrcl-003yd6-5Q; Mon, 12 Apr 2021 08:08:49 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 798BF300209; Mon, 12 Apr 2021 10:08:44 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id 2E6C325F2152C; Mon, 12 Apr 2021 10:08:44 +0200 (CEST) Message-ID: <20210412080012.357146277@infradead.org> User-Agent: quilt/0.66 Date: Mon, 12 Apr 2021 10:00:12 +0200 From: Peter Zijlstra To: akpm@linux-foundation.org Subject: [Intel-gfx] [PATCH 0/7] mm: Unexport apply_to_page_range() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jgross@suse.com, sstabellini@kernel.org, keescook@chromium.org, peterz@infradead.org, intel-gfx@lists.freedesktop.org, x86@kernel.org, linux-kernel@vger.kernel.org, chris@chris-wilson.co.uk, linux-mm@kvack.org, boris.ostrovsky@oracle.com, hch@lst.de MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi, These patches remove the last few modular apply_to_page_range() users and unexports these interface. Since these functions provide direct access to our page-tables they're a prime target for nefarious activities. These patches rely on the remap_pfn_range_notrack() patches from Christoph that are currently already in Andrew's tree. Please consider.