linux-kernel - Re: [PATCH] efi/tpm: fix section mismatch warning

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Message-ID: <20200430040038.GD31820@linux.intel.com>
Date:   Thu, 30 Apr 2020 07:00:38 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Ard Biesheuvel <ardb@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Jerry Snitselaar <jsnitsel@...hat.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        Dave Young <dyoung@...hat.com>, Lukas Wunner <lukas@...ner.de>,
        Lyude Paul <lyude@...hat.com>,
        Matthew Garrett <mjg59@...gle.com>,
        Octavian Purdila <octavian.purdila@...el.com>,
        Peter Jones <pjones@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Scott Talbert <swt@...hie.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-efi@...r.kernel.org, linux-integrity@...r.kernel.org,
        stable@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] efi/tpm: fix section mismatch warning

On Wed, Apr 29, 2020 at 09:01:08PM +0200, Arnd Bergmann wrote:
> Building with gcc-10 causes a harmless warning about a section mismatch:
> 
> WARNING: modpost: vmlinux.o(.text.unlikely+0x5e191): Section mismatch in reference from the function tpm2_calc_event_log_size() to the function .init.text:early_memunmap()
> The function tpm2_calc_event_log_size() references
> the function __init early_memunmap().
> This is often because tpm2_calc_event_log_size lacks a __init
> annotation or the annotation of early_memunmap is wrong.
> 
> Add the missing annotation.
> 
> Fixes: e658c82be556 ("efi/tpm: Only set 'efi_tpm_final_log_size' after successful event log parsing")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

/Jarkko