From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 11/13] Always define MAX_RAW_MINORS as 65535 in userspace Date: Tue, 15 Sep 2015 13:42:47 -0700 Message-ID: <55F882C7.4080304@zytor.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> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1442271047-4908-12-git-send-email-palmer-96lFi9zoCfxBDgjK7y7TUQ@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Palmer Dabbelt , arnd-r2nGTMty4D4@public.gmane.org, dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org, ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org, aishchuk-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, aarcange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, acme-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, 3chas3-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, chris-YvXeqwSYzG2sTnJN9+BGXg@public.gmane.org, dave-gkUM19QKKo4@public.gmane.org, dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, drysdale-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, geoff-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, iulia.manda21-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org, jikos-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, josh-iaAMLnmF4UmaiuxdJuQwMA@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-xtensa-PjhNF2WwrV/0Sa2dR60CXw@public.gmane.org, mathieu.desnoyers-vg+e7yoeK/dWk0Htik3J/w@public.gmane.org, jcmvbkbc-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org, tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org, tomi.valkeinen-l0cyMroinI0@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org List-Id: linux-api@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