From mboxrd@z Thu Jan  1 00:00:00 1970
From: hch@infradead.org (Christoph Hellwig)
Date: Mon, 14 May 2018 05:07:56 -0700
Subject: [PATCH 12/18] kernel: add ksys_personality()
In-Reply-To: <20180514094640.27569-13-mark.rutland@arm.com>
References: <20180514094640.27569-1-mark.rutland@arm.com>
 <20180514094640.27569-13-mark.rutland@arm.com>
Message-ID: <20180514120756.GA11638@infradead.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, May 14, 2018 at 10:46:34AM +0100, Mark Rutland wrote:
> Using this helper allows us to avoid the in-kernel call to the
> sys_personality() syscall. The ksys_ prefix denotes that this function
> is meant as a drop-in replacement for the syscall. In particular, it
> uses the same calling convention as sys_personality().
> 
> This is necessary to enable conversion of arm64's syscall handling to
> use pt_regs wrappers.

Plese just opencode the trivial sys_personality logic instead.