linux-kernel - Re: [PATCH v2] Compiler Attributes: don't pollute userspace with macro definitions

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Message-ID: <CANiq72nCa=TQvpgcOcLceGTDc+7KxPmD4NCMamqAqV2o5au89A@mail.gmail.com>
Date:   Fri, 14 Dec 2018 11:02:40 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     liuxiaozhou@...edance.com, Greg KH <gregkh@...uxfoundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Paul Burton <paul.burton@...s.com>,
        Arnd Bergmann <arnd@...db.de>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v2] Compiler Attributes: don't pollute userspace with
 macro definitions

On Thu, Dec 13, 2018 at 11:25 PM Nick Desaulniers
<ndesaulniers@...gle.com> wrote:
>
> Moving the __KERNEL__ guard should not affect the kernel, only what
> userspace sees.  __gnu_inline only affects which
> implementation/definition you get, so even if userspace doesn't know
> what the kernel's inline is redefined to, it should not matter as
> userspace should only ever care about the function signature, which
> does not change between our definitions of inline.

Hm... I am unsure what you mean by this. Were you replying to me or to
the original patch?

Cheers,
Miguel