linux-kernel - Re: [PATCH v1 1/4] xtensa: move SYS_XTENSA

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Date:   Mon, 5 Nov 2018 13:28:48 -0800
From:   Max Filippov <jcmvbkbc@...il.com>
To:     firoz.khan@...aro.org
Cc:     Chris Zankel <chris@...kel.net>, linux-xtensa@...ux-xtensa.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        y2038@...ts.linaro.org, LKML <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>, deepa.kernel@...il.com,
        marcin.juszkiewicz@...aro.org
Subject: Re: [PATCH v1 1/4] xtensa: move SYS_XTENSA_* macros to non uapi header

On Thu, Nov 1, 2018 at 6:56 AM Firoz Khan <firoz.khan@...aro.org> wrote:
> All the SYS_XTENSA_* macros used by sysxtensa syscall
> handlers are resides in the uapi header file move to
> non uapi header asm/unistd.h as it is not used by any
> user space applications.

These definitions are meant to be used by the userspace to
perform atomic operations in the absence of atomic access
instructions in the xtensa CPU variant.

-- 
Thanks.
-- Max