linux-kernel - Re: [PATCHv7 05/14] x86/boot: Add infrastructure required for unaccepted memory support

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Message-ID: <Yt8MPGzmILwNkV+X@zn.tnic>
Date:   Mon, 25 Jul 2022 23:33:48 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     Andy Lutomirski <luto@...nel.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Joerg Roedel <jroedel@...e.de>,
        Ard Biesheuvel <ardb@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Tom Lendacky <thomas.lendacky@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Ingo Molnar <mingo@...hat.com>,
        Varad Gautam <varad.gautam@...e.com>,
        Dario Faggioli <dfaggioli@...e.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Mike Rapoport <rppt@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        marcelo.cerri@...onical.com, tim.gardner@...onical.com,
        khalid.elmously@...onical.com, philip.cox@...onical.com,
        x86@...nel.org, linux-mm@...ck.org, linux-coco@...ts.linux.dev,
        linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv7 05/14] x86/boot: Add infrastructure required for
 unaccepted memory support

On Tue, Jun 14, 2022 at 03:02:22PM +0300, Kirill A. Shutemov wrote:
> diff --git a/arch/x86/boot/compressed/compiler.h b/arch/x86/boot/compressed/compiler.h
> new file mode 100644
> index 000000000000..452c4c0844b9
> --- /dev/null
> +++ b/arch/x86/boot/compressed/compiler.h
> @@ -0,0 +1,9 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +#ifndef BOOT_COMPILER_H
> +#define BOOT_COMPILER_H
> +#define __LINUX_COMPILER_H /* Inhibit inclusion of <linux/compiler.h> */
> +
> +# define likely(x)	__builtin_expect(!!(x), 1)
> +# define unlikely(x)	__builtin_expect(!!(x), 0)
> +
> +#endif

I guess that header is not really needed - simply drop the annotations
from the code too.

-- 
Regards/Gruss,
    Boris.

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