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

From: Ingo Molnar
Date: Tue Dec 09 2025 - 03:55:21 EST


* Swaraj Gaikwad <swarajgaikwad1925@xxxxxxxxx> 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@xxxxxxxxxxxxx>
> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
> Signed-off-by: Swaraj Gaikwad <swarajgaikwad1925@xxxxxxxxx>
> ---
> 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