Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753542AbbH0SDh (ORCPT ); Thu, 27 Aug 2015 14:03:37 -0400 Received: from mail.efficios.com ([78.47.125.74]:46587 "EHLO mail.efficios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752574AbbH0SCw (ORCPT ); Thu, 27 Aug 2015 14:02:52 -0400 From: Mathieu Desnoyers To: Andrew Morton , linux-api@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Mathieu Desnoyers , Russell King Subject: [RFC PATCH 2/9] arm: allocate sys_membarrier system call number Date: Thu, 27 Aug 2015 13:56:48 -0400 Message-Id: <1440698215-8355-3-git-send-email-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1440698215-8355-1-git-send-email-mathieu.desnoyers@efficios.com> References: <1440698215-8355-1-git-send-email-mathieu.desnoyers@efficios.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2076 Lines: 59 [ 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. ] Signed-off-by: Mathieu Desnoyers CC: Andrew Morton CC: linux-api@vger.kernel.org CC: Russell King --- arch/arm/include/asm/unistd.h | 2 +- arch/arm/include/uapi/asm/unistd.h | 1 + arch/arm/kernel/calls.S | 1 + 3 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 32640c4..d93876c 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -19,7 +19,7 @@ * This may need to be greater than __NR_last_syscall+1 in order to * account for the padding in the syscall table */ -#define __NR_syscalls (388) +#define __NR_syscalls (389) /* * *NOTE*: This is a ghost syscall private to the kernel. Only the diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 0c3f5a0..436bb32 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -414,6 +414,7 @@ #define __NR_memfd_create (__NR_SYSCALL_BASE+385) #define __NR_bpf (__NR_SYSCALL_BASE+386) #define __NR_execveat (__NR_SYSCALL_BASE+387) +#define __NR_membarrier (__NR_SYSCALL_BASE+388) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 05745eb..310699c 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -397,6 +397,7 @@ /* 385 */ CALL(sys_memfd_create) CALL(sys_bpf) CALL(sys_execveat) + CALL(sys_membarrier) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/