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Xen 4.21.0-rc2

Xen: 4.21.0-rc2 Release

Release date:
October 22, 2025
Previous version:
4.21.0-rc1 (released November 10, 2025)
Magnitude:
311 Diff Delta
Contributors:
6 total committers
Data confidence:
Commits:
23 impacting commits

23 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

x86/viridian: Enforce bounds check in send_ipi()
Authored October 21, 2025
vpci/msix: improve handling of bogus MSI-X capabilities
Authored September 26, 2025
tools/libxl: Make gentypes.py compatible with older Python
Authored October 17, 2025
symbols: discard stray file symbols
Authored October 21, 2025
tools/xl: check return of json_object_object_add()
Authored October 15, 2025
x86/viridian: Enforce bounds check in vpmask_set()
Authored October 21, 2025
AMD/IOMMU: unshare IRQ .ack and .disable handlers
Authored October 21, 2025
tools/xl: fix for dead code in list_domains_details()
Authored October 20, 2025
VT-d: check bus_to_context_maddr()'s return value
Authored October 13, 2025
tools/xl: check return value of printf_info_one_json() in list_domains_details()
Authored October 15, 2025
github/coverity: switch to building with json-c instead of yajl
Authored October 15, 2025
tools/{lib,}xl: fix usage of error return from json_tokener_parse_verbose()
Authored October 15, 2025
tools/libxc: fix xc_physdev_map_pirq_msi() with PCI segments != 0
Authored October 20, 2025
CHANGELOG.md: mention the introduction of configurable altp2m count
Authored October 16, 2025
tools/tests: don't pass -E to sed
Authored October 9, 2025
tools/tests/domid: don't pass -E to sed
Authored October 21, 2025
tools/xl: fix possible uninitialized usage in printf_info()
Authored October 15, 2025
x86/ucode: Fix missing printk() newline in ucode_probe_amd()
Authored October 16, 2025
tools/libxl: avoid freeing stack rubble in libxl__json_object_to_json()
Authored October 15, 2025
x86/HWP: adjust feature_hdc's section annotation
Authored October 13, 2025
cirrus-ci: add json-c for libxl dependency
Authored October 6, 2025
Update Xen version to 4.21.0-rc2
Authored October 22, 2025
x86/boot: Fix edd=off to skip mbr
Authored October 16, 2025

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Top Contributors in 4.21.0-rc2

royger
TSnake41
jbeulich
jandryuk
wbenny
andyhhp

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