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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 645F2C433F5 for ; Thu, 11 Nov 2021 18:25:29 +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 20FBF61268 for ; Thu, 11 Nov 2021 18:25:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 20FBF61268 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=SxRHZ5ZUfQb6+2acSEjt8ysZOsVAgtnef0ALQUmvUL4=; b=THu6N8RGZVS844 /EdVnjrk284/jrdHG+GyrewfFBWGVN8TEzRSt+fSw0hnZ4WtUAr9QFKJnIGZ/bzLVSlA0wrRd+6sF 8XG9R4CLX7Jruiuzjw80TTzKDR5fX+wUnw0F6+PcFMvhJah18cdCKcvbhNXHfcXu8ZKb0azbGa7Kv CM8BhTGnQ2WmPl+zVPLlOMifEOmbRLNGWMdug5wTB/uvJGdDMTd5/USRg7Yx7n3OwQsKDM4Vyc2mG +C8pqQ/QPJjyCKK2Wno15frBZt9QHeK80n38wPghgdLMO9mnE3JIGE6auZLpeAT6/dX00BH5Elszi pILceOKYu/9YLaHoevpw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlEkI-008ZAc-Mq; Thu, 11 Nov 2021 18:24:22 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mlEkF-008ZA9-83 for linux-arm-kernel@lists.infradead.org; Thu, 11 Nov 2021 18:24:20 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1382D61268; Thu, 11 Nov 2021 18:24:16 +0000 (UTC) Date: Thu, 11 Nov 2021 18:24:14 +0000 From: Catalin Marinas To: Ard Biesheuvel Cc: Pingfan Liu , Linux ARM , Will Deacon , Pasha Tatashin , James Morse , Matthias Brugger Subject: Re: [PATCH] arm64: mm: assign PXN permission in trans_pgd Message-ID: References: <20211111060316.12438-1-kernelfans@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211111_102419_319292_0368047F X-CRM114-Status: UNSURE ( 6.04 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Nov 11, 2021 at 06:18:17PM +0000, Catalin Marinas wrote: > BTW, in line with PAGE_KERNEL, pud_populate() could set both UXN and PXN > for init_mm mappings. Ignore this, I got confused. The UXN/PXN choice is correct as it is. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel