linux-kernel - Re: [PATCH] x86/sgx: fix incorrect kernel-doc comment syntax in files

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Date:   Tue, 30 Mar 2021 14:20:11 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Aditya Srivastava <yashsri421@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     lukas.bulwahn@...il.com, jarkko@...nel.org,
        dave.hansen@...ux.intel.com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, x86@...nel.org, hpa@...or.com,
        linux-sgx@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH] x86/sgx: fix incorrect kernel-doc comment syntax in files

On 3/30/21 2:18 PM, Aditya Srivastava wrote:
> The opening comment mark '/**' is used for highlighting the beginning of
> kernel-doc comments.
> There are certain files in arch/x86/kernel/cpu/sgx, which follow this
> syntax, but the content inside does not comply with kernel-doc.
> Such lines were probably not meant for kernel-doc parsing, but are parsed
> due to the presence of kernel-doc like comment syntax(i.e, '/**'), which
> causes unexpected warnings from kernel-doc.
> 
> E.g., presence of kernel-doc like comment in the header lines for
> arch/x86/kernel/cpu/sgx/encl.h causes this warning:
> "warning: expecting prototype for 2016(). Prototype was for _X86_ENCL_H() instead"
> 
> Similarly for arch/x86/kernel/cpu/sgx/arch.h too.
> 
> Provide a simple fix by replacing these occurrences with general comment
> format, i.e. '/*', to prevent kernel-doc from parsing it.
> 
> Signed-off-by: Aditya Srivastava <yashsri421@...il.com>

Acked-by: Randy Dunlap <rdunlap@...radead.org>

> ---
> * Applies perfectly on next-20210326
> 
>  arch/x86/kernel/cpu/sgx/arch.h | 2 +-
>  arch/x86/kernel/cpu/sgx/encl.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/cpu/sgx/arch.h b/arch/x86/kernel/cpu/sgx/arch.h
> index 26315bea1cb4..70b84bbdaa1d 100644
> --- a/arch/x86/kernel/cpu/sgx/arch.h
> +++ b/arch/x86/kernel/cpu/sgx/arch.h
> @@ -1,5 +1,5 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> -/**
> +/*
>   * Copyright(c) 2016-20 Intel Corporation.
>   *
>   * Contains data structures defined by the SGX architecture.  Data structures
> diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
> index d8d30ccbef4c..76b9bc1c5c30 100644
> --- a/arch/x86/kernel/cpu/sgx/encl.h
> +++ b/arch/x86/kernel/cpu/sgx/encl.h
> @@ -1,5 +1,5 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> -/**
> +/*
>   * Copyright(c) 2016-20 Intel Corporation.
>   *
>   * Contains the software defined data structures for enclaves.
> 


-- 
~Randy