From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753064AbbIPPSu (ORCPT ); Wed, 16 Sep 2015 11:18:50 -0400 Received: from mail.efficios.com ([78.47.125.74]:48403 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752306AbbIPPSs (ORCPT ); Wed, 16 Sep 2015 11:18:48 -0400 Date: Wed, 16 Sep 2015 15:18:39 +0000 (UTC) From: Mathieu Desnoyers To: Catalin Marinas , Will Deacon Cc: linux-kernel@vger.kernel.org, Andrew Morton , linux-api Message-ID: <4692929.9334.1442416719904.JavaMail.zimbra@efficios.com> In-Reply-To: <1441642556-30972-8-git-send-email-mathieu.desnoyers@efficios.com> References: <1441642556-30972-1-git-send-email-mathieu.desnoyers@efficios.com> <1441642556-30972-8-git-send-email-mathieu.desnoyers@efficios.com> Subject: Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [78.47.125.74] X-Mailer: Zimbra 8.6.0_GA_1178 (ZimbraWebClient - FF40 (Linux)/8.6.0_GA_1178) Thread-Topic: arm64: allocate sys_membarrier system call number Thread-Index: QUeq5v9krA5waVPdqtkjT3jz9KmnSw== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote: > arm64 sys_membarrier number is already wired for arm64 through > asm-generic/unistd.h, but needs to be allocated separately for > the 32-bit compability layer of arm64. > > [ Untested on this architecture. To try it out: fetch linux-next/akpm, > apply this patch, build/run a membarrier-enabled kernel, and do make > kselftest. ] Hi, sys_membarrier has been merged into Linux 4.3-rc1. sys_membarrier can therefore be tested on top of Linus' master. Thanks, Mathieu > > Signed-off-by: Mathieu Desnoyers > CC: Andrew Morton > CC: linux-api@vger.kernel.org > CC: Catalin Marinas > CC: Will Deacon > --- > arch/arm64/include/asm/unistd.h | 2 +- > arch/arm64/include/asm/unistd32.h | 2 ++ > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h > index 3bc498c..e70f7e7 100644 > --- a/arch/arm64/include/asm/unistd.h > +++ b/arch/arm64/include/asm/unistd.h > @@ -44,7 +44,7 @@ > #define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2) > #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5) > > -#define __NR_compat_syscalls 388 > +#define __NR_compat_syscalls 389 > #endif > > #define __ARCH_WANT_SYS_CLONE > diff --git a/arch/arm64/include/asm/unistd32.h > b/arch/arm64/include/asm/unistd32.h > index cef934a..d97be80 100644 > --- a/arch/arm64/include/asm/unistd32.h > +++ b/arch/arm64/include/asm/unistd32.h > @@ -797,3 +797,5 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create) > __SYSCALL(__NR_bpf, sys_bpf) > #define __NR_execveat 387 > __SYSCALL(__NR_execveat, compat_sys_execveat) > +#define __NR_membarrier 388 > +__SYSCALL(__NR_membarrier, sys_membarrier) > -- > 1.9.1 -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com