From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751945AbbIOUo2 (ORCPT ); Tue, 15 Sep 2015 16:44:28 -0400 Received: from terminus.zytor.com ([198.137.202.10]:60993 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751633AbbIOUo0 (ORCPT ); Tue, 15 Sep 2015 16:44:26 -0400 Subject: Re: [PATCH 11/13] Always define MAX_RAW_MINORS as 65535 in userspace To: Palmer Dabbelt , arnd@arndb.de, dhowells@redhat.com References: <1441832902-28993-1-git-send-email-palmer@dabbelt.com> <1442271047-4908-1-git-send-email-palmer@dabbelt.com> <1442271047-4908-12-git-send-email-palmer@dabbelt.com> Cc: viro@zeniv.linux.org.uk, ast@plumgrid.com, aishchuk@linux.vnet.ibm.com, aarcange@redhat.com, akpm@linux-foundation.org, luto@kernel.org, acme@kernel.org, bhe@redhat.com, 3chas3@gmail.com, chris@zankel.net, dave@sr71.net, dyoung@redhat.com, drysdale@google.com, davem@davemloft.net, ebiederm@xmission.com, geoff@infradead.org, gregkh@linuxfoundation.org, mingo@kernel.org, iulia.manda21@gmail.com, plagnioj@jcrosoft.com, jikos@kernel.org, josh@joshtriplett.org, kexec@lists.infradead.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org, mathieu.desnoyers@efficios.com, jcmvbkbc@gmail.com, paulmck@linux.vnet.ibm.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, tomi.valkeinen@ti.com, vgoyal@redhat.com, x86@kernel.org From: "H. Peter Anvin" Message-ID: <55F882C7.4080304@zytor.com> Date: Tue, 15 Sep 2015 13:42:47 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <1442271047-4908-12-git-send-email-palmer@dabbelt.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/14/2015 03:50 PM, Palmer Dabbelt wrote: > While I don't think this was ever meant to be exposed to userspace, if > anyone is using it then this will at least provide a correct (if > unlikely) definition. > > MAX_RAW_MINORS used to be used in the kernel, where it's been replaced > with CONFIG_MAX_RAW_MINORS. > > Note that there's a checkpatch.pl warning about a split config string > here, but I've left that alone. >>From a UAPI perspective I would think the right value would be 2^20. -hpa