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Message-ID: <20251208210113.24057-1-swarajgaikwad1925@gmail.com>
Date: Mon, 8 Dec 2025 21:01:12 +0000
From: Swaraj Gaikwad <swarajgaikwad1925@...il.com>
To: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
Borislav Petkov <bp@...en8.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
x86@...nel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
"H. Peter Anvin" <hpa@...or.com>,
Jonathan Corbet <corbet@....net>,
linux-kernel@...r.kernel.org (open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
linux-doc@...r.kernel.org (open list:DOCUMENTATION)
Cc: skhan@...uxfoundation.org,
david.hunter.linux@...il.com,
Swaraj Gaikwad <swarajgaikwad1925@...il.com>
Subject: [PATCH] Documentation: x86/boot: Fix malformed table in boot.rst
Building the documentation with make htmldocs previously failed with the
following error, causing the "Assigned boot loader IDs" table to not
render at all in the HTML output:
Documentation/arch/x86/boot.rst:437: ERROR: Malformed table.
Text in column margin in table line 2.
This occurred because the ReStructuredText (RST) simple table header
defined the first column width as 2 characters (==), which is too narrow
for data entries like 0x10 and 0x13. This dimensional mismatch caused
the text to spill into the margin, triggering a docutils parsing
failure.
This patch fixes the issue by expanding the column width in the table
header to 4 characters (====) to correctly accommodate the widest
entries and alignment. After applying this patch, the documentation builds
successfully and the "Assigned boot loader IDs" table now displays
correctly in the generated HTML.
Build environment: Python 3.13.7 Sphinx 8.2.3 docutils 0.22.3
Signed-off-by: Swaraj Gaikwad <swarajgaikwad1925@...il.com>
---
Documentation/arch/x86/boot.rst | 50 ++++++++++++++++-----------------
1 file changed, 25 insertions(+), 25 deletions(-)
diff --git a/Documentation/arch/x86/boot.rst b/Documentation/arch/x86/boot.rst
index 6d36ce86fd8e..99b42e9d0e1c 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
+==== ==============================
Please contact <hpa@...or.com> if you need a bootloader ID value assigned.
@@ -814,7 +814,7 @@ Protocol: 2.09+
__u32 len;
__u8 data[];
}
-
+
Where, the next is a 64-bit physical pointer to the next node of
linked list, the next field of the last node is 0; the type is used
to identify the contents of data; the len is the length of data
--
2.52.0
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