From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3yLgTG1bhRzDqZ3 for ; Tue, 24 Oct 2017 15:36:33 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v9O4YAtL110885 for ; Tue, 24 Oct 2017 00:36:31 -0400 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0a-001b2d01.pphosted.com with ESMTP id 2dsng1523u-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 24 Oct 2017 00:36:31 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 24 Oct 2017 05:36:29 +0100 From: "Aneesh Kumar K.V" To: Ram Pai , mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org Cc: benh@kernel.crashing.org, paulus@samba.org, khandual@linux.vnet.ibm.com, bsingharora@gmail.com, hbabu@us.ibm.com, mhocko@kernel.org, bauerman@linux.vnet.ibm.com, ebiederm@xmission.com, linuxram@us.ibm.com Subject: Re: [PATCH 09/25] powerpc: ability to create execute-disabled pkeys In-Reply-To: <1504910713-7094-18-git-send-email-linuxram@us.ibm.com> References: <1504910713-7094-1-git-send-email-linuxram@us.ibm.com> <1504910713-7094-18-git-send-email-linuxram@us.ibm.com> Date: Tue, 24 Oct 2017 10:06:18 +0530 MIME-Version: 1.0 Content-Type: text/plain Message-Id: <87h8up88n1.fsf@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Ram Pai writes: > powerpc has hardware support to disable execute on a pkey. > This patch enables the ability to create execute-disabled > keys. Can you summarize here how this works? Access to IAMR is privileged so how will keys framework work with IAMR? -aneesh