linux-kernel - Re: [PATCH v6 17/28] x86/asm: use SYM_INNER

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Message-ID: <CALCETrXwc05073E7A8KG-2dKqNyz=C2zrAQfBqWhjuChfSd5fQ@mail.gmail.com>
Date:   Fri, 18 May 2018 12:41:00 -0700
From:   Andy Lutomirski <luto@...capital.net>
To:     Jiri Slaby <jslaby@...e.cz>
Cc:     Ingo Molnar <mingo@...hat.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, X86 ML <x86@...nel.org>
Subject: Re: [PATCH v6 17/28] x86/asm: use SYM_INNER_LABEL instead of GLOBAL

On Fri, May 18, 2018 at 2:17 AM Jiri Slaby <jslaby@...e.cz> wrote:

> GLOBAL had several meanings and is going away. In this patch, convert
> all the inner function labels marked with GLOBAL to use SYM_INNER_LABEL
> instead.

> Note that retint_user needs not be global, perhaps since commit
> 2ec67971facc ("x86/entry/64/compat: Remove most of the fast system call
> machinery"), where entry_64_compat's caller was removed. So mark the
> label as LOCAL.


> -GLOBAL(entry_SYSCALL_64_after_hwframe)
> +SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL)

I've missed all the context here.   I agree that GLOBAL is misleading, and
"inner label" is nice.  But this is a rather wordy macro.  Would:

INNER_LABEL_GLOBAL(name)

be better?  (With just INNER_LABEL(name) for the local version?)