From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-kernel@vger.kernel.org,
linux-mips <linux-mips@linux-mips.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-api <linux-api@vger.kernel.org>
Subject: Re: [PATCH v2 2/9] mips: allocate sys_membarrier system call number
Date: Wed, 16 Sep 2015 15:04:58 +0000 (UTC) [thread overview]
Message-ID: <1089832901.9282.1442415898500.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <1441642556-30972-3-git-send-email-mathieu.desnoyers@efficios.com>
----- On Sep 7, 2015, at 12:15 PM, Mathieu Desnoyers mathieu.desnoyers@efficios.com wrote:
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> Acked-by: Ralf Baechle <ralf@linux-mips.org>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: linux-api@vger.kernel.org
> CC: linux-mips@linux-mips.org
Hi,
FYI, sys_membarrier has been merged upstream in Linux 4.3-rc1. Feel free
to wire up this system call on MIPS.
Thanks!
Mathieu
> ---
> arch/mips/include/uapi/asm/unistd.h | 15 +++++++++------
> arch/mips/kernel/scall32-o32.S | 1 +
> arch/mips/kernel/scall64-64.S | 1 +
> arch/mips/kernel/scall64-n32.S | 1 +
> arch/mips/kernel/scall64-o32.S | 1 +
> 5 files changed, 13 insertions(+), 6 deletions(-)
>
> diff --git a/arch/mips/include/uapi/asm/unistd.h
> b/arch/mips/include/uapi/asm/unistd.h
> index d0bdfaa..b107983 100644
> --- a/arch/mips/include/uapi/asm/unistd.h
> +++ b/arch/mips/include/uapi/asm/unistd.h
> @@ -378,16 +378,17 @@
> #define __NR_bpf (__NR_Linux + 355)
> #define __NR_execveat (__NR_Linux + 356)
> #define __NR_mlock2 (__NR_Linux + 357)
> +#define __NR_membarrier (__NR_Linux + 358)
>
> /*
> * Offset of the last Linux o32 flavoured syscall
> */
> -#define __NR_Linux_syscalls 357
> +#define __NR_Linux_syscalls 358
>
> #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
>
> #define __NR_O32_Linux 4000
> -#define __NR_O32_Linux_syscalls 357
> +#define __NR_O32_Linux_syscalls 358
>
> #if _MIPS_SIM == _MIPS_SIM_ABI64
>
> @@ -713,16 +714,17 @@
> #define __NR_bpf (__NR_Linux + 315)
> #define __NR_execveat (__NR_Linux + 316)
> #define __NR_mlock2 (__NR_Linux + 317)
> +#define __NR_membarrier (__NR_Linux + 318)
>
> /*
> * Offset of the last Linux 64-bit flavoured syscall
> */
> -#define __NR_Linux_syscalls 317
> +#define __NR_Linux_syscalls 318
>
> #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
>
> #define __NR_64_Linux 5000
> -#define __NR_64_Linux_syscalls 317
> +#define __NR_64_Linux_syscalls 318
>
> #if _MIPS_SIM == _MIPS_SIM_NABI32
>
> @@ -1052,15 +1054,16 @@
> #define __NR_bpf (__NR_Linux + 319)
> #define __NR_execveat (__NR_Linux + 320)
> #define __NR_mlock2 (__NR_Linux + 321)
> +#define __NR_membarrier (__NR_Linux + 322)
>
> /*
> * Offset of the last N32 flavoured syscall
> */
> -#define __NR_Linux_syscalls 321
> +#define __NR_Linux_syscalls 322
>
> #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
>
> #define __NR_N32_Linux 6000
> -#define __NR_N32_Linux_syscalls 321
> +#define __NR_N32_Linux_syscalls 322
>
> #endif /* _UAPI_ASM_UNISTD_H */
> diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
> index b0b377a..9265542 100644
> --- a/arch/mips/kernel/scall32-o32.S
> +++ b/arch/mips/kernel/scall32-o32.S
> @@ -600,3 +600,4 @@ EXPORT(sys_call_table)
> PTR sys_bpf /* 4355 */
> PTR sys_execveat
> PTR sys_mlock2
> + PTR sys_membarrier
> diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
> index f12eb03..79d4fb0 100644
> --- a/arch/mips/kernel/scall64-64.S
> +++ b/arch/mips/kernel/scall64-64.S
> @@ -437,4 +437,5 @@ EXPORT(sys_call_table)
> PTR sys_bpf /* 5315 */
> PTR sys_execveat
> PTR sys_mlock2
> + PTR sys_membarrier
> .size sys_call_table,.-sys_call_table
> diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
> index ecdd65a..235892a 100644
> --- a/arch/mips/kernel/scall64-n32.S
> +++ b/arch/mips/kernel/scall64-n32.S
> @@ -430,4 +430,5 @@ EXPORT(sysn32_call_table)
> PTR sys_bpf
> PTR compat_sys_execveat /* 6320 */
> PTR sys_mlock2
> + PTR sys_membarrier
> .size sysn32_call_table,.-sysn32_call_table
> diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
> index 7a8b2df..c051bd3 100644
> --- a/arch/mips/kernel/scall64-o32.S
> +++ b/arch/mips/kernel/scall64-o32.S
> @@ -585,4 +585,5 @@ EXPORT(sys32_call_table)
> PTR sys_bpf /* 4355 */
> PTR compat_sys_execveat
> PTR sys_mlock2
> + PTR sys_membarrier
> .size sys32_call_table,.-sys32_call_table
> --
> 1.9.1
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2015-09-16 15:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-07 16:15 [PATCH v2 0/9] Allocate sys_membarrier on main architectures Mathieu Desnoyers
2015-09-07 16:15 ` [PATCH v2 1/9] [picked] powerpc: allocate sys_membarrier system call number Mathieu Desnoyers
2015-09-07 16:15 ` [PATCH v2 2/9] mips: " Mathieu Desnoyers
2015-09-16 15:04 ` Mathieu Desnoyers [this message]
2015-09-28 17:12 ` Mathieu Desnoyers
2015-09-07 16:15 ` [PATCH v2 3/9] sparc/sparc64: " Mathieu Desnoyers
2015-09-16 15:05 ` Mathieu Desnoyers
2015-09-16 17:57 ` David Miller
2015-09-16 18:06 ` Mathieu Desnoyers
2015-09-07 16:15 ` [PATCH v2 4/9] parisc: " Mathieu Desnoyers
2015-09-16 15:07 ` Mathieu Desnoyers
2015-09-16 19:56 ` Helge Deller
2015-09-07 16:15 ` [RFC PATCH v2 5/9] alpha: " Mathieu Desnoyers
2015-09-16 15:17 ` Mathieu Desnoyers
2015-09-07 16:15 ` [RFC PATCH v2 6/9] arm: " Mathieu Desnoyers
2015-09-16 18:27 ` Mathieu Desnoyers
2015-09-17 13:13 ` Russell King - ARM Linux
2015-09-17 13:37 ` Mathieu Desnoyers
2015-09-17 13:49 ` Russell King - ARM Linux
2015-09-07 16:15 ` [RFC PATCH v2 7/9] arm64: " Mathieu Desnoyers
2015-09-16 15:18 ` Mathieu Desnoyers
2015-09-16 16:35 ` Will Deacon
2015-09-16 16:38 ` Mathieu Desnoyers
2015-09-16 16:39 ` Will Deacon
2015-09-07 16:15 ` [RFC PATCH v2 8/9] ia64: " Mathieu Desnoyers
2015-09-16 15:19 ` Mathieu Desnoyers
2015-09-07 16:15 ` [RFC PATCH v2 9/9] s390/s390x: " Mathieu Desnoyers
2015-09-16 15:20 ` Mathieu Desnoyers
2015-09-17 11:39 ` Martin Schwidefsky
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