linux-kernel - Re: [PATCH 2/2] x86/sme: Mark the code as __head in mem_encrypt

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Message-ID: <874jip58pp.ffs@tglx>
Date:   Tue, 17 Oct 2023 21:50:58 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Ingo Molnar <mingo@...nel.org>,
        Hou Wenlong <houwenlong.hwl@...group.com>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "maintainer:X86 ARCHITECTURE 32-BIT AND 64-BIT" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Steve Rutherford <srutherford@...gle.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 2/2] x86/sme: Mark the code as __head in
 mem_encrypt_identity.c

On Tue, Oct 17 2023 at 14:52, Ingo Molnar wrote:
> * Hou Wenlong <houwenlong.hwl@...group.com> wrote:
>> -static inline void __init sme_encrypt_kernel(struct boot_params *bp) { }
>> -static inline void __init sme_enable(struct boot_params *bp) { }
>> +static inline void sme_encrypt_kernel(struct boot_params *bp) { }
>> +static inline void sme_enable(struct boot_params *bp) { }
>
> So I think we should preserve the previous convention of marking functions 
> __init in the header-declaration and at the definition site as well, and do 
> the same with __head as well?

I'm not convinced about the value of prototype annotations, but have no
strong preference either.

Thanks,

        tglx