linux-kernel - Re: [PATCH v2] Documentation: x86/boot: Fix malformed table in boot.rst

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Message-ID: <aTfjlAKBNeX6my4g@gmail.com>
Date: Tue, 9 Dec 2025 09:53:40 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Swaraj Gaikwad <swarajgaikwad1925@...il.com>
Cc: bp@...en8.de, corbet@....net, dave.hansen@...ux.intel.com,
	david.hunter.linux@...il.com, hpa@...or.com,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	mingo@...hat.com, skhan@...uxfoundation.org, tglx@...utronix.de,
	x86@...nel.org, Randy Dunlap <rdunlap@...radead.org>,
	Bagas Sanjaya <bagasdotme@...il.com>
Subject: Re: [PATCH v2] Documentation: x86/boot: Fix malformed table in
 boot.rst

* Swaraj Gaikwad <swarajgaikwad1925@...il.com> wrote:

> Sphinx reports htmldocs warnings:
>
>   Documentation/arch/x86/boot.rst:437: ERROR: Malformed table.
>   Text in column margin in table line 2.
>
> The table header defined the first column width as 2 characters ("=="),
> which is too narrow for entries like "0x10" and "0x13". This caused the
> text to spill into the margin, triggering a docutils parsing failure.
>
> Fix it by extending the first column of assigned boot loader ID to 4
> characters ("====") to fit the widest entries.
>
> Reviewed-by: Randy Dunlap <rdunlap@...radead.org>
> Tested-by: Randy Dunlap <rdunlap@...radead.org>
> Reviewed-by: Bagas Sanjaya <bagasdotme@...il.com>
> Signed-off-by: Swaraj Gaikwad <swarajgaikwad1925@...il.com>
> ---
> Changes in v2:
>  - Dropped accidental whitespace changes (the second chunk in v1).
>  - Simplified commit message as suggested by Bagas Sanjaya.
>
> ---
>  Documentation/arch/x86/boot.rst | 48 ++++++++++++++++-----------------
>  1 file changed, 24 insertions(+), 24 deletions(-)
>
> diff --git a/Documentation/arch/x86/boot.rst b/Documentation/arch/x86/boot.rst
> index 6d36ce86fd8e..89e785850f7e 100644
> --- a/Documentation/arch/x86/boot.rst
> +++ b/Documentation/arch/x86/boot.rst
> @@ -433,30 +433,30 @@ Protocol:	2.00+
>
>    Assigned boot loader IDs:
>
> -	== =======================================
> -	0x0  LILO
> -	     (0x00 reserved for pre-2.00 bootloader)
> -	0x1  Loadlin
> -	0x2  bootsect-loader
> -	     (0x20, all other values reserved)
> -	0x3  Syslinux
> -	0x4  Etherboot/gPXE/iPXE
> -	0x5  ELILO
> -	0x7  GRUB
> -	0x8  U-Boot
> -	0x9  Xen
> -	0xA  Gujin
> -	0xB  Qemu
> -	0xC  Arcturus Networks uCbootloader
> -	0xD  kexec-tools
> -	0xE  Extended (see ext_loader_type)
> -	0xF  Special (0xFF = undefined)
> -	0x10 Reserved
> -	0x11 Minimal Linux Bootloader
> -	     <http://sebastian-plotz.blogspot.de>
> -	0x12 OVMF UEFI virtualization stack
> -	0x13 barebox
> -	== =======================================
> +==== ==============================
> +0x0  LILO
> +      (0x00 reserved for pre-2.00 bootloader)
> +0x1  Loadlin
> +0x2  bootsect-loader
> +      (0x20, all other values reserved)
> +0x3  Syslinux
> +0x4  Etherboot/gPXE/iPXE
> +0x5  ELILO
> +0x7  GRUB
> +0x8  U-Boot
> +0x9  Xen
> +0xA  Gujin
> +0xB  Qemu
> +0xC  Arcturus Networks uCbootloader
> +0xD  kexec-tools
> +0xE  Extended (see ext_loader_type)
> +0xF  Special (0xFF = undefined)
> +0x10 Reserved
> +0x11 Minimal Linux Bootloader
> +      <http://sebastian-plotz.blogspot.de>
> +0x12 OVMF UEFI virtualization stack
> +0x13 barebox
> +==== ==============================

So why was the leading tab dropped and why wasn't this change,
unnecessary to the bug fix in question, declared in the changelog?

Thanks,

	Ingo