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Xen 4.22.0-rc1

Xen: 4.22.0-rc1 Release

Release date:
June 1, 2026
Previous version:
4.22-dev (released November 10, 2025)
Magnitude:
36,593 Diff Delta
Contributors:
34 total committers
Data confidence:
Commits:
696 impacting commits

696 Commits in this Release

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

x86/msr: Change rdmsr() to have normal API
Authored June 23, 2018
xen/treewide: Use __ASSEMBLER__ instead of __ASSEMBLY__
Authored December 2, 2025
xen/coverage: Drop support for older GCOV
Authored March 16, 2026
x86/svm: Remove lazy FPU support
Authored March 24, 2026
xen/uart: switch ns16550 to use pci_sbdf_t
Authored March 20, 2026
cpufreq: eliminate cpufreq_drv_data[]
Authored January 26, 2026
xen/arm: ffa: Add FF-A 1.2 endpoint memory access descriptors
Authored February 11, 2026
xen/arm: ffa: add UUID helpers for partition info
Authored December 15, 2025
xen/riscv: introduce metadata table to store P2M type
Authored January 12, 2026
xen/riscv: rework G-stage mode handling
Authored May 7, 2026
x86/amd: Drop the cpuid_mask_* command line options
Authored November 25, 2025
x86/vmx: Remove lazy FPU support
Authored March 24, 2026
xen/riscv: add Linux kernel loading support
Authored May 7, 2026
xen/arm: ffa: rework VM RX/TX buffer management
Authored December 15, 2025
tools/xenstored: add central quota check functions
Authored March 20, 2026
xen/arm: skip holes in physical address space when setting up frametable
Authored May 6, 2026
cpufreq/hwp: move driver data into policy
Authored January 27, 2026
xen/console: introduce domain_console struct
Authored November 26, 2025
xen/riscv: add support of page lookup by GFN
Authored January 12, 2026
xen/arm: Implement PSCI SYSTEM_SUSPEND call for guests
Authored March 24, 2026
x86/traps: Introduce FRED entrypoints
Authored December 24, 2024
x86/pv: System call handling in FRED mode
Authored August 11, 2025
xen/treewide: More typeof() -> auto conversions
Authored January 9, 2026
xen/riscv: introduce VMID allocation and manegement
Authored December 16, 2025
xen/arm: ffa: Drop SP subscriber lists
Authored February 13, 2026
xen/arm: ffa: Harden shm page parsing
Authored February 11, 2026
xen/riscv: detect and initialize G-stage mode
Authored December 16, 2025
xen/mm: allow deferred scrub of physmap populate allocated pages
Authored January 12, 2026
xen/riscv: Implement p2m_free_subtree() and related helpers
Authored December 16, 2025
xen/riscv: add p2m context switch handling for VSATP and HGATP
Authored February 24, 2026
tools/libxl: add functions for retrieving and setting xenstore quota
Authored March 20, 2026
arm/mpu: Implement free_init_memory for MPU systems
Authored January 14, 2026
xen/lib: Introduce SHA-1
Authored November 27, 2025
xen/arm: ffa: Cache SP partition info at init
Authored February 13, 2026
xen: introduce CONFIG_HAS_DOMAIN_TYPE
Authored May 7, 2026
xen/domain: introduce generic functions for domain struct allocation and freeing
Authored December 9, 2025
x86/svm: Drop emulation of Intel's SYSENTER MSR behaviour
Authored March 12, 2026
x86/vmx: refactor cache disable mode data
Authored November 20, 2025
xen/mm: remove aliasing of PGC_need_scrub over PGC_allocated
Authored January 29, 2026
VT-d: replace find_ats_dev_drhd()
Authored January 7, 2026

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Top Contributors in 4.22.0-rc1

jbeulich
andyhhp
oleksii-kurochko-ff5d
bertrand-marquis
jgross1
royger
rosslagerwall
orzelmichal
xakep-amatop
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