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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-api <linux-api@vger.kernel.org>
Subject: Re: [RFC PATCH v2 7/9] arm64: allocate sys_membarrier system call number
Date: Wed, 16 Sep 2015 15:18:39 +0000 (UTC)	[thread overview]
Message-ID: <4692929.9334.1442416719904.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <1441642556-30972-8-git-send-email-mathieu.desnoyers@efficios.com>

----- 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 <mathieu.desnoyers@efficios.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: linux-api@vger.kernel.org
> CC: Catalin Marinas <catalin.marinas@arm.com>
> CC: Will Deacon <will.deacon@arm.com>
> ---
> 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

  reply	other threads:[~2015-09-16 15:18 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
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 [this message]
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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