From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933118AbbIVPw6 (ORCPT ); Tue, 22 Sep 2015 11:52:58 -0400 Received: from foss.arm.com ([217.140.101.70]:58543 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758653AbbIVPwy (ORCPT ); Tue, 22 Sep 2015 11:52:54 -0400 Date: Tue, 22 Sep 2015 16:52:52 +0100 From: Will Deacon To: Andre Przywara Cc: Arnd Bergmann , "linux-arch@vger.kernel.org" , "linux-api@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Catalin Marinas Subject: Re: [PATCH] generic syscalls: wire up userfaultfd syscall Message-ID: <20150922155251.GJ7356@arm.com> References: <1442919139-18027-1-git-send-email-andre.przywara@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1442919139-18027-1-git-send-email-andre.przywara@arm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 22, 2015 at 11:52:19AM +0100, Andre Przywara wrote: > Enable the new userfaultfd syscall in the generic syscall table. > Briefly tested on arm64 with the selftest from the tools directory. Can you update the selftest too, please? Last time I looked at that it had typo for the powerpc check and looked pretty unloved... Will > Signed-off-by: Andre Przywara > --- > include/uapi/asm-generic/unistd.h | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h > index 8da542a..82c91bc 100644 > --- a/include/uapi/asm-generic/unistd.h > +++ b/include/uapi/asm-generic/unistd.h > @@ -711,9 +711,11 @@ __SYSCALL(__NR_bpf, sys_bpf) > __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat) > #define __NR_membarrier 282 > __SYSCALL(__NR_membarrier, sys_membarrier) > +#define __NR_userfaultfd 283 > +__SYSCALL(__NR_userfaultfd, sys_userfaultfd) > > #undef __NR_syscalls > -#define __NR_syscalls 283 > +#define __NR_syscalls 284 > > /* > * All syscalls below here should go away really, > -- > 2.5.1 >