linux-kernel - Re: [PATCH v2 2/3] asm-generic: unistd.h: Wire up sys

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Date:   Tue, 10 Jul 2018 23:32:09 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Will Deacon <will.deacon@....com>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Boqun Feng <boqun.feng@...il.com>, peter.maydell@...aro.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/3] asm-generic: unistd.h: Wire up sys_rseq

On Tue, Jul 10, 2018 at 7:53 PM, Will Deacon <will.deacon@....com> wrote:
> Hi Arnd,
>
> On Mon, Jul 09, 2018 at 03:19:44PM +0100, Will Deacon wrote:
>> The new rseq call arrived in 4.18-rc1, so provide it in the asm-generic
>> unistd.h for architectures such as arm64.
>>
>> Cc: Arnd Bergmann <arnd@...db.de>
>> Signed-off-by: Will Deacon <will.deacon@....com>
>> ---
>>  include/uapi/asm-generic/unistd.h | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> Please can you Ack this, so I can take it the arm64 tree?

I just checked again that this syscall is compatible with
compat mode on all architectures that need it, so the
addition is safe.

Acked-by: Arnd Bergmann <arnd@...db.de>