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Xen RELEASE-4.20.2

Xen: RELEASE-4.20.2 Release

Release date:
November 13, 2025
Previous version:
RELEASE-4.20.1 (released September 10, 2025)
Magnitude:
1,009 Diff Delta
Contributors:
14 total committers
Data confidence:
Commits:
68 impacting commits

68 Commits in this Release

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

hvmloader: fix SMBIOS table length checks
Authored September 3, 2025
x86/ucode: Relax digest check when Entrysign is fixed in firmware
Authored February 28, 2025
x86/ucode: Cross check the minimum revision
Authored October 17, 2025
x86emul: adjust BSF/BSR/LZCNT/TZCNT behavior as to EFLAGS
Authored July 22, 2025
x86/mce: Adjustments to intel_init_ppin()
Authored September 3, 2025
x86/mwait-idle: Add AlderLake-N support
Authored July 22, 2025
vpci/msix: improve handling of bogus MSI-X capabilities
Authored October 21, 2025
tools/libs/light: fix BAR memory address truncation
Authored October 24, 2025
xen/vpci: fix backport of 53859596c0d3
Authored October 22, 2025
efi: Call FreePages() only if needed
Authored September 3, 2025
ocaml/xsd_glue: Fix dynamic linking configuration
Authored November 4, 2025
x86/ucode: Refine the boundary checks for Entrysign
Authored October 27, 2025
x86/iommu: setup MMCFG ahead of IOMMU
Authored September 3, 2025
x86/hvm: fix reading from 0xe9 IO port if port E9 hack is active
Authored October 21, 2025
CI: Fix microcode loading on Xen 4.20
Authored October 28, 2025
x86/suspend: unconditionally raise a timer softirq on resume
Authored September 3, 2025
x86/ucode: Abort parallel load early on any control thread error
Authored October 17, 2025
x86/S3: don't lose previously collected CPU data (AMD extra)
Authored July 22, 2025
automation/eclair: Make report browsing URL configurable
Authored July 7, 2025
update Xen version to 4.20.2
Authored November 13, 2025
x86/ucode: Fix missing printk() newline in ucode_probe_amd()
Authored October 16, 2025
update Xen version to 4.20.2-pre
Authored July 22, 2025
x86/boot: Fix edd=off to skip mbr
Authored October 21, 2025
VT-d: check bus_to_context_maddr()'s return value
Authored October 21, 2025
x86/HWP: adjust feature_hdc's section annotation
Authored October 21, 2025
x86/viridian: Enforce bounds check in send_ipi()
Authored October 21, 2025
symbols: discard stray file symbols
Authored November 10, 2025
x86/cpu: populate CPUID 0x1.edx features early for self-snoop detection
Authored October 21, 2025
libacpi: Remove CPU hotplug and GPE handling from PVH DSDTs
Authored October 21, 2025
x86/dom0: placate GCC 12 compile-time errors with UBSAN and PVH_GUEST
Authored October 21, 2025
Arm: adjust locking in p2m_get_page_from_gfn()
Authored September 9, 2025
Arm: foreign page handling in p2m_get_page_from_gfn()
Authored September 9, 2025
x86/viridian: protect concurrent modification of the reference TSC page
Authored September 9, 2025
x86/viridian: avoid NULL pointer dereference in viridian_synic_deliver_timer_msg()
Authored September 9, 2025
x86/viridian: avoid NULL pointer dereference in update_reference_tsc()
Authored September 9, 2025
x86/gen-cpuid: Fix debugging for cycle detection
Authored September 3, 2025
x86/gen-cpuid: correct cycle detection
Authored September 3, 2025
xen/efi: Fix crash with initial empty EFI options
Authored September 3, 2025
AMD/IOMMU: unshare IRQ .ack and .disable handlers
Authored November 10, 2025
tools: add sizeof_field and endof_field macros
Authored September 3, 2025

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Top Contributors in RELEASE-4.20.2

andyhhp
wbenny
royger
jbeulich
zhang-rui
rosslagerwall
etrian-dev
anderson-choi-75a5
JKDingwall
marmarek

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