From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-x242.google.com (mail-pf0-x242.google.com [IPv6:2607:f8b0:400e:c00::242]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3xt5Pl1KvZzDqyH for ; Thu, 14 Sep 2017 14:38:19 +1000 (AEST) Received: by mail-pf0-x242.google.com with SMTP id e69so996410pfg.4 for ; Wed, 13 Sep 2017 21:38:18 -0700 (PDT) Date: Thu, 14 Sep 2017 14:38:07 +1000 From: Balbir Singh To: Ram Pai Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, benh@kernel.crashing.org, paulus@samba.org, khandual@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com, hbabu@us.ibm.com, mhocko@kernel.org, bauerman@linux.vnet.ibm.com, ebiederm@xmission.com Subject: Re: [PATCH 02/25] powerpc: define an additional vma bit for protection keys. Message-ID: <20170914143807.03cd9aa3@firefly.ozlabs.ibm.com> In-Reply-To: <1504910713-7094-11-git-send-email-linuxram@us.ibm.com> References: <1504910713-7094-1-git-send-email-linuxram@us.ibm.com> <1504910713-7094-11-git-send-email-linuxram@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 8 Sep 2017 15:44:50 -0700 Ram Pai wrote: > powerpc needs an additional vma bit to support 32 keys. > Till the additional vma bit lands in include/linux/mm.h > we have to define it in powerpc specific header file. > This is needed to get pkeys working on power. > > Signed-off-by: Ram Pai > --- "This" being an arch specific hack for the additional bit? Balbir