From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754235Ab2GWPu5 (ORCPT ); Mon, 23 Jul 2012 11:50:57 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:51406 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753296Ab2GWPuy (ORCPT ); Mon, 23 Jul 2012 11:50:54 -0400 From: Arnd Bergmann To: David Howells Subject: Re: [PATCH 00/13] UAPI header file split Date: Mon, 23 Jul 2012 15:50:43 +0000 User-Agent: KMail/1.12.2 (Linux/3.5.0-rc1+; KDE/4.3.2; x86_64; ; ) Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@kernel.org, davej@redhat.com References: <20120720215636.14854.41208.stgit@warthog.procyon.org.uk> In-Reply-To: <20120720215636.14854.41208.stgit@warthog.procyon.org.uk> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201207231550.43775.arnd@arndb.de> X-Provags-ID: V02:K0:4sINBobjRlEJct9FVzxCF/cI0mkYWoMI2Tx40lKjOov bdc601lLSHRYpbRWe8jk8XBTIPBfDF8rrBfm3qF+Gkqf9M4I4U 1AhpWcBQSEGC1liIBOhUHPfw0DFWeHqBOk7utJrjPfDYXdm4hw pHTqMGJi/dpHISBpArGNeVeTJgsXTt0wRJ9DDy7uACKXi7vu4T NJ8P8L168rT3mrxtPacZPXQFBBOnKWDENV0jmewIxViOk7QMYi 1GACkaNZQeZLd1Kl+sMqRznzp6R3E6xYIeFV9cv1WznaI6XKy3 6uL2Mv9jDC7NgsLHFKegaNxD04t4W7yEZCG6rGADcs7VX1MYcE laMVkCnaePlS7PjENx1M= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 20 July 2012, David Howells wrote: > (a) It reduces the size of the kernel-only headers and obviates the need > for __KERNEL__ conditionals in the remnant kernel-only headers. > > (b) In what we have today, there are complex interdependencies between > headers that are partly exported to user space, and we want to reduce > those interdependencies. > > It simplifies the problem space by splitting out the user headers as > they then only depend only on other user headers. > > This step makes it easier to follow through with the remaining steps as > the remnant kernel headers can be split up without regard as to whether > the UAPI will be broken. Header files such as linux/sched.h can even > disappear entirely if that seems convenient. > > There is another potential benefit as well: it becomes easier to track > when the UAPI changes just from the filenames in the GIT log. > > Further, linux-api@vger.kernel.org can be put into the MAINTAINERS file > for the uapi/ directories so that patches changing them get sent to that > list by everyone using get_maintainer.pl. Looks all good to me. For the entire series: Acked-by: Arnd Bergmann