From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752451AbdK2WMu (ORCPT ); Wed, 29 Nov 2017 17:12:50 -0500 Received: from mail-vk0-f49.google.com ([209.85.213.49]:41141 "EHLO mail-vk0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752550AbdK2WMr (ORCPT ); Wed, 29 Nov 2017 17:12:47 -0500 X-Google-Smtp-Source: AGs4zMaqaSX/e38tP4TAvkfqRri1/rk/woTLKVoWnl40kZc2Ffdic8HNhhDx3WlQaRiMQ/9L7CZKFwQw2J99Lo8ONqg= MIME-Version: 1.0 In-Reply-To: <20171129144219.22867-1-mhocko@kernel.org> References: <20171129144219.22867-1-mhocko@kernel.org> From: Kees Cook Date: Wed, 29 Nov 2017 14:12:45 -0800 X-Google-Sender-Auth: zePhvAJRqio6yvorGpRb7AoZdm0 Message-ID: Subject: Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE To: Michal Hocko Cc: Linux API , Khalid Aziz , Michael Ellerman , Andrew Morton , Russell King - ARM Linux , Andrea Arcangeli , Linux-MM , LKML , linux-arch , Florian Weimer , John Hubbard , Abdul Haleem , Joel Stanley , Michal Hocko Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 29, 2017 at 6:42 AM, Michal Hocko wrote: > Except we won't export expose the new semantic to the userspace at all. I'm confused: the changes in patch 1 are explicitly adding MAP_FIXED_SAFE to the uapi. If it's not supposed to be exposed, shouldn't it go somewhere else? -Kees -- Kees Cook Pixel Security From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kees Cook Subject: Re: [PATCH 0/2] mm: introduce MAP_FIXED_SAFE Date: Wed, 29 Nov 2017 14:12:45 -0800 Message-ID: References: <20171129144219.22867-1-mhocko@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20171129144219.22867-1-mhocko@kernel.org> Sender: owner-linux-mm@kvack.org To: Michal Hocko Cc: Linux API , Khalid Aziz , Michael Ellerman , Andrew Morton , Russell King - ARM Linux , Andrea Arcangeli , Linux-MM , LKML , linux-arch , Florian Weimer , John Hubbard , Abdul Haleem , Joel Stanley , Michal Hocko List-Id: linux-api@vger.kernel.org On Wed, Nov 29, 2017 at 6:42 AM, Michal Hocko wrote: > Except we won't export expose the new semantic to the userspace at all. I'm confused: the changes in patch 1 are explicitly adding MAP_FIXED_SAFE to the uapi. If it's not supposed to be exposed, shouldn't it go somewhere else? -Kees -- Kees Cook Pixel Security -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org