From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 8380E1A00A5 for ; Mon, 29 Feb 2016 13:36:28 +1100 (AEDT) Message-ID: <1456713374.32505.55.camel@kernel.crashing.org> Subject: Re: [RFC PATCH 2/2] powerpc/mm: Replace _PAGE_USER with _PAGE_PRIV From: Benjamin Herrenschmidt To: "Aneesh Kumar K.V" , paulus@samba.org, mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org Date: Mon, 29 Feb 2016 13:36:14 +1100 In-Reply-To: <1456456850-2679-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> 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> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 ;-) Cheers, Ben.