From: Theodore Ts'o Subject: Re: [PATCH, RFC] random: introduce getrandom(2) system call Date: Sun, 20 Jul 2014 13:06:35 -0400 Message-ID: <20140720170635.GF5017@thunk.org> References: <1405588695-12014-1-git-send-email-tytso@mit.edu> <871ttg3u8h.fsf@tassilo.jf.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, linux-abi@vger.kernel.org, linux-crypto@vger.kernel.org, beck@openbsd.org To: Andi Kleen Return-path: Received: from imap.thunk.org ([74.207.234.97]:46132 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751509AbaGTRG6 (ORCPT ); Sun, 20 Jul 2014 13:06:58 -0400 Content-Disposition: inline In-Reply-To: <871ttg3u8h.fsf@tassilo.jf.intel.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Sun, Jul 20, 2014 at 08:50:06AM -0700, Andi Kleen wrote: > Theodore Ts'o writes: > > > > #undef __NR_syscalls > > -#define __NR_syscalls 277 > > +#define __NR_syscalls 278 > > You need to add the syscall to kernel/sys_ni.c too, otherwise it will be > impossible to build without random device. The random device is not optional; it is alaways guaranteed to be present. From drivers/char/Makefile: obj-y += mem.o random.o Cheers, - Ted