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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 4AC5AC10F04 for ; Thu, 14 Feb 2019 16:16:15 +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 0BBBE2077B for ; Thu, 14 Feb 2019 16:16:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MlG6tcRB"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="X9N2wtn6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0BBBE2077B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KMnPdB4YHB0p5/ZtTnHNg+vkAtvdgpn0YACK+y2ctc0=; b=MlG6tcRBaAZEXO lD+/ndfF5gmTRwnaiB7h8UshVH5O+ASA3oeI9+Jx2RfpOs/+nQkgzwPTc47dRYWQ55r2gQL/vIsSk QWs1r0Nsp18qdyXu4YQ1+oOMmqJoWViutDP3xGTKYJHWAXsVCkuNGP/pbUBlHg9q8T+FoKtHmvm8I 1tmlqc2BtFkop8oT0NFFxQok/hMvUMas8jICWIGiDiXGrHB2wNOHDMNWrudAVXYyZ7jZAAXu7ZW0X FJ5UIj4cl0aUXJmxToVw3RQNwt9JBJVobRAltkSkVRGStx7PDHY6UglBKGwHvo+tsEjRIoQQraENY cNUkJH5vSukMQzShU+lg==; 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 1guJgH-0003ad-VC; Thu, 14 Feb 2019 16:16:09 +0000 Received: from mail.skyhub.de ([2a01:4f8:190:11c2::b:1457]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1guJgC-0003Zc-Fr for linux-arm-kernel@lists.infradead.org; Thu, 14 Feb 2019 16:16:07 +0000 Received: from zn.tnic (p200300EC2BCDFC001CE8649D49136343.dip0.t-ipconnect.de [IPv6:2003:ec:2bcd:fc00:1ce8:649d:4913:6343]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 11D161EC0253; Thu, 14 Feb 2019 17:15:57 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1550160957; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=nRzGo2WdRGVlfCrR5IW3r6niSjb+gE5vLdPAiNJgD2c=; b=X9N2wtn6f0+HrkqlYxsrPU1T4BUJXTu6UuzwxZwPNn+jFGABVXEN4BN5WClF+wGi1DxAQq E/Rvm4hnd4jV3rJSqgqbAXFSHNsWcXRoVTe1Ju+cvwu5Lugv3hoDPrpvlrXJiHO4y4eoFV P1NBzIFEoRdA87/zavwJ2qWiX1cCQrQ= Date: Thu, 14 Feb 2019 17:15:52 +0100 From: Borislav Petkov To: Peter Zijlstra Subject: Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page Frame Ownership (XPFO) Message-ID: <20190214161552.GF4423@zn.tnic> References: <8275de2a7e6b72d19b1cd2ec5d71a42c2c7dd6c5.1550088114.git.khalid.aziz@oracle.com> <20190214105631.GJ32494@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190214105631.GJ32494@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190214_081604_683628_6B599D28 X-CRM114-Status: UNSURE ( 7.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mhocko@suse.com, Tycho Andersen , kernel-hardening@lists.openwall.com, catalin.marinas@arm.com, will.deacon@arm.com, dave.hansen@intel.com, Khalid Aziz , deepa.srinivasan@oracle.com, steven.sistare@oracle.com, tglx@linutronix.de, tycho@tycho.ws, ak@linux.intel.com, kirill.shutemov@linux.intel.com, x86@kernel.org, jmorris@namei.org, hch@lst.de, kanth.ghatraju@oracle.com, jsteckli@amazon.de, labbott@redhat.com, pradeep.vincent@oracle.com, konrad.wilk@oracle.com, jcm@redhat.com, liran.alon@oracle.com, luto@kernel.org, boris.ostrovsky@oracle.com, chris.hyser@oracle.com, linux-arm-kernel@lists.infradead.org, jmattson@google.com, Marco Benatto , linux-mm@kvack.org, juergh@gmail.com, andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org, tyhicks@canonical.com, john.haxby@oracle.com, Juerg Haefliger , oao.m.martins@oracle.com, keescook@google.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, dwmw@amazon.co.uk Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Feb 14, 2019 at 11:56:31AM +0100, Peter Zijlstra wrote: > > +EXPORT_SYMBOL(xpfo_kunmap); > > And these here things are most definitely not IRQ-safe. Should also be EXPORT_SYMBOL_GPL. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel