From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 368CD1A0D9F for ; Mon, 29 Feb 2016 18:49:46 +1100 (AEDT) Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 29 Feb 2016 02:49:44 -0500 Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 7BF546E8041 for ; Mon, 29 Feb 2016 02:36:33 -0500 (EST) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u1T7nfU133030364 for ; Mon, 29 Feb 2016 07:49:42 GMT Received: from d01av04.pok.ibm.com (localhost [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u1T7nfhh005045 for ; Mon, 29 Feb 2016 02:49:41 -0500 From: "Aneesh Kumar K.V" To: Benjamin Herrenschmidt , paulus@samba.org, mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org Subject: Re: [RFC PATCH 2/2] powerpc/mm: Replace _PAGE_USER with _PAGE_PRIV In-Reply-To: <1456713374.32505.55.camel@kernel.crashing.org> References: <1456456850-2679-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1456456850-2679-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1456713374.32505.55.camel@kernel.crashing.org> Date: Mon, 29 Feb 2016 13:19:37 +0530 Message-ID: <87bn70q7la.fsf@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Benjamin Herrenschmidt writes: > On Fri, 2016-02-26 at 08:50 +0530, Aneesh Kumar K.V wrote: >> _PAGE_PRIV means the page can be accessed only by kernel. This is >> done >> to keep pte bits similar to PowerISA 3.0 radix PTE format. User >> pages are now makred by clearing _PAGE_PRIV bit. > > Very minor nit: It's not clear that PRIV means PRIVILEGED (rather than > PRIVATE). Can you spell it out completely instead ? I like things being > self-describing ;-) > Ok, I will update this Thanks, -aneesh