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From:   Brian Gerst <brgerst@gmail.com>
Date:   Thu, 30 Nov 2023 11:42:27 -0500
Message-ID: <CAMzpN2j5xYq0YCzXxU8srha=1um0JSWMM2YWkUG-qFA891xVHQ@mail.gmail.com>
Subject: Re: [PATCH] x86/ia32: State that IA32 emulation is disabled
To:     Borislav Petkov <bp@alien8.de>
Cc:     X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Nikolay Borisov <nik.borisov@suse.com>
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On Thu, Nov 30, 2023 at 11:09=E2=80=AFAM Borislav Petkov <bp@alien8.de> wro=
te:
>
> On Thu, Nov 30, 2023 at 04:52:13PM +0100, Borislav Petkov wrote:
> > +static inline bool ia32_enabled_verbose(void)
> > +{
> > +#ifdef CONFIG_IA32_EMULATION
> > +     pr_notice_once("32-bit emulation disabled. You can reenable with =
ia32_emulation=3Don\n");
> > +#endif
> > +     return ia32_enabled();
> > +}
>
> As Nik rightfully points out offlist, this should rather be something
> like:
>
> ---
>         bool enabled =3D ia32_enabled();
>
> #ifdef CONFIG_IA32_EMULATION
>         if (!enabled)
>                 pr_notice_once("32-bit emulation disabled. You can reenab=
le with ia32_emulation=3Don\n");
> #endif
>
>         return enabled;

The #ifdef isn't necessary, as ia32_enabled() will always return false
in that case.

Brian Gerst