From: Will Deacon <will.deacon@arm.com>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Catalin Marinas <Catalin.Marinas@arm.com>,
"linux-kernel@vger.kernel.org" <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 17:35:27 +0100 [thread overview]
Message-ID: <20150916163527.GO28771@arm.com> (raw)
In-Reply-To: <4692929.9334.1442416719904.JavaMail.zimbra@efficios.com>
Hi Mathieu,
On Wed, Sep 16, 2015 at 04:18:39PM +0100, Mathieu Desnoyers wrote:
> ----- 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. ]
>
> sys_membarrier has been merged into Linux 4.3-rc1. sys_membarrier can therefore
> be tested on top of Linus' master.
Just to say that I'm happy to merge this once arch/arm/ also has the
syscall wired up. It'd be a bit weird to have the support in the arm64
compat layer but not the arch/arm/ native kernel!
Will
next prev parent reply other threads:[~2015-09-16 16:35 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
2015-09-16 16:35 ` Will Deacon [this message]
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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