linux-kernel - Re: linux-next: build warnings after merge of the drivers-x86 tree

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Message-ID: <17e828ee-7338-e34e-db10-8af10d705a88@redhat.com>
Date:   Fri, 22 Oct 2021 11:02:50 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Jonathan Corbet <corbet@....net>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Vadim Pasternak <vadimp@...dia.com>
Cc:     Mark Gross <markgross@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: linux-next: build warnings after merge of the drivers-x86 tree

Hi,

On 10/21/21 23:10, Jonathan Corbet wrote:
> [CC += Mauro]
> 
> Stephen Rothwell <sfr@...b.auug.org.au> writes:
> 
>> On Thu, 21 Oct 2021 09:07:03 +0000 Vadim Pasternak <vadimp@...dia.com> wrote:
>>>
>>> What is wrong with the syntax at line 230 and where blank line is expected?
>>>
>>> What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_active_image
>>> What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_auth_fail
>>> What:		/sys/devices/platform/mlxplat/mlxreg-io/hwmon/hwmon*/bios_upgrade_fail
>>> Date:		October 2021	<--- this is line 230
>>> KernelVersion:	5.16
>>
>> I am sorry, I don't know.  Added Jon to cc for advice.
> 
> The problem isn't that line at all, it's the use of a bulleted list a
> few lines further down; that doesn't work in ABI files.
> 
> Mauro, this ABI stuff is fragile, and this kind of problem occurs fairly
> often.  How hard would it be to (1) make it a bit more robust, (2) make
> it issue useful warnings where it can't be robust, and (3) properly
> document the restrictions for ABI files?
> 
> Meanwhile, the attached patch fixes it; feel free to use it or to just
> fold the change into your work.

Thank you. I've added the fix (as is) to my platform-drivers-x86/review-hans
branch. Once the lkp kernel test robot has done a successful build of that
branch (it also contains some other new patches) I'll push this to for-next
resolving these warnings.

Regards,

Hans



> -----------------------------
> From 97371e6afda75eef71b7d5d1794645e5cfaf1811 Mon Sep 17 00:00:00 2001
> From: Jonathan Corbet <corbet@....net>
> Date: Thu, 21 Oct 2021 15:02:43 -0600
> Subject: [PATCH] docs: ABI: fix documentation warning in sysfs-driver-mlxreg-io
> 
> The use of a Sphinx list within this ABI file caused the following warning:
> 
>   Documentation/ABI/stable/sysfs-driver-mlxreg-io:230: WARNING: Unexpected indentation.
>   Documentation/ABI/stable/sysfs-driver-mlxreg-io:230: WARNING: Block quote ends without a blank line; unexpected unindent.
> 
> Remove the bullets to make the warning go away and get proper formatting.
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Jonathan Corbet <corbet@....net>
> ---
>  .../ABI/stable/sysfs-driver-mlxreg-io         | 23 +++++++++++--------
>  1 file changed, 13 insertions(+), 10 deletions(-)
> 
> diff --git a/Documentation/ABI/stable/sysfs-driver-mlxreg-io b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
> index c84795ccecad..12c3f895cd2f 100644
> --- a/Documentation/ABI/stable/sysfs-driver-mlxreg-io
> +++ b/Documentation/ABI/stable/sysfs-driver-mlxreg-io
> @@ -231,16 +231,19 @@ Date:		October 2021
>  KernelVersion:	5.16
>  Contact:	Vadim Pasternak <vadimp@...dia.com>
>  Description:	The files represent BIOS statuses:
> -		- bios_active_image: location of current active BIOS image:
> -		  0: Top, 1: Bottom.
> -		  The reported value should correspond to value expected by OS
> -		  in case of BIOS safe mode is 0. This bit is related to Intel
> -		  top-swap feature of DualBios on the same flash.
> -		- bios_auth_fail: BIOS upgrade is failed because provided BIOS
> -		  image is not signed correctly.
> -		- bios_upgrade_fail: BIOS upgrade is failed by some other
> -		  reason not because authentication. For example due to
> -		  physical SPI flash problem.
> +
> +		bios_active_image: location of current active BIOS image:
> +		0: Top, 1: Bottom.
> +		The reported value should correspond to value expected by OS
> +		in case of BIOS safe mode is 0. This bit is related to Intel
> +		top-swap feature of DualBios on the same flash.
> +
> +		bios_auth_fail: BIOS upgrade is failed because provided BIOS
> +		image is not signed correctly.
> +
> +		bios_upgrade_fail: BIOS upgrade is failed by some other
> +		reason not because authentication. For example due to
> +		physical SPI flash problem.
>  
>  		The files are read only.
>  
>