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

- Subsystems: INTEL SGX, THE REST, X86 ARCHITECTURE (32-BIT AND 64-BIT)
- Maintainers: Jarkko Sakkinen, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
- List: linux-doc
- 3 messages, 3 authors
- Page: https://ratatoskr.run/linux-doc/2021/03/6321821/t

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

- From: Aditya Srivastava \<hidden\>
- Date: 2021-03-30 21:19:09 
- Message: https://ratatoskr.run/linux-doc/2021/03/6321821.md

```text
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 <redacted>
---
* 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.
-- 
2.17.1

```

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

- From: Randy Dunlap \<rdunlap@infradead.org\>
- Date: 2021-03-30 21:21:20 
- Message: https://ratatoskr.run/linux-doc/2021/03/6321824.md

```text
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 <redacted>

Acked-by: Randy Dunlap <rdunlap@infradead.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

```

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

- From: Jarkko Sakkinen \<jarkko@kernel.org\>
- Date: 2021-03-31 02:57:05 
- Message: https://ratatoskr.run/linux-doc/2021/03/6322047.md

```text
On Wed, Mar 31, 2021 at 02:48:13AM +0530, 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 <redacted>
> ---
> * 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.
> -- 
> 2.17.1
> 
> 

Acked-by: Jarkko Sakkinen <jarkko@kernel.org>

/Jarkko
```
