Hi Oleksii, > On 5 Aug 2025, at 19:19, Oleksii Kurochko <oleksii.kuroc...@gmail.com> wrote: > > Hello everyone, > > This email only tracks big items for xen.git tree. Please reply for items you > would like to see in 4.21 so that people have an idea what is going on and > prioritise accordingly. > > You're welcome to provide description and use cases of the feature you're > working on. > > = Timeline = > > The current release schedule could be found here: > https://wiki.xenproject.org/wiki/Xen_Project_X.YY_Release_Notes > > And as a reminder I would like to remind at the of this week we will have > Last posting date (Fri Aug 08, 2025). > > = Updates = > > The following items ( the links for them could be found int the list below ) > were moved to completed: > [since Jun2 - Aug5]: > Added some tags: [4.21], [next-rel(s)] to the list "Full list of items" > below. > * x86: > - kexec: add kexec support to Mini-OS. > - x86: memcpy() / memset() (non-)ERMS flavors plus fallout > * Arm: > - SMMU handling for PCIe Passthrough on ARM. > - Add support for R-Car Gen4 PCI host controller. > - First chunk for Arm R82 and MPU support. > - Enable R52 support for the first chunk of MPU support > - ARM split hardware and control domains. > * RISC-V: > - Introduce basic UART support and interrupts for hypervisor mode. > > [since May 6 - Jun2]: > * Hypervisor: > - tools: remove qemu-traditional > * Arm: > - PCI devices passthrough on Arm, part 3 > * x86: > - xen: cache control improvements > [since 4.20 relese - May 6]: > * Hypervisor: > - Move parts of Arm's Dom0less to common code > - remove libxenctrl usage from xenstored > * Arm: > - Enable early bootup of Armv8-R AArch32 systems > * x86: > - x86/HVM: emulation (MMIO) improvements > * RISC-V: > - RISC-V some preinit calls. > - Fixes for UBSAN & GCOV support for RISC-V. > > Some new items added: > [since May] > * x86: > - Allow x86 to unflatten DTs > - hyperlaunch: move remaining pvh dom0 construction > - x86/hyperlaunch: introduce concept of core domains > - Confidential computing and AMD SEV support > * Arm: > - SMMU handling for PCIe Passthrough on ARM > - xen/arm: scmi: introduce SCI SCMI SMC multi-agent support > - Add initial Xen Suspend-to-RAM support on ARM64 > * RISC-V: > - introduce p2m functionality > [since 4.20 release] > * Hypervisor: > - tools: remove qemu-traditional > - Physical address hypercall ABI ("HVMv2") > - xen: Untangle mm.h > - xen: introduce CONFIG_SYSCTL > - Add support for exact-node memory claims > - Several CI cleanups and improvements, plus yet another new runner > * x86: > - x86/EFI: prevent write-execute sections > - x86: Trenchboot Secure Launch DRTM (Xen) > - Hyperlaunch device tree for dom0 (v6) > - amd-cppc CPU Performance Scaling Driver (v4) > - Hyperlaunch domain builder > - kexec: add kexec support to Mini-OS > - xen: cache control improvements (should be moved to "Hypervisor"?) > - x86: generate xen.efi image with no write-execute sections > - x86/asm: cleanups after toolchain baseline upgrade > * Arm: > - Add support for R-Car Gen4 PCI host controller (v4) > - FF-A VM to VM support (v5)
This serie is currently under review at v7 and should be merged before the release. I have an other one pending for FF-A v1.2 support that i need to push once this one is merged but it will have to wait after the release for now. Cheers Bertrand > - First chunk for Arm R82 and MPU support (v4) > - ARM split hardware and control domains (v5) > - MPU mm subsistem skeleton > * RISC-V: > - introduce basic UART support and interrupts for hypervisor mode > > * Full list of items : * > > = Projects = > > == Hypervisor == > > * [4.21] xen/console: cleanup console input switch logic (v5) > - Denis Mukhin > - https://lore.kernel.org/xen-devel/20250530231841.73386-1-dmuk...@ford.com/ > > * [4.21] xen: introduce CONFIG_SYSCTL (v4 -> v8) > - Penny Zheng > - > https://lore.kernel.org/xen-devel/20250711043158.2566880-1-penny.zh...@amd.com/ > > * [4.21] Several CI cleanups and improvements, plus yet another new runner > - Marek Marczykowski-Górecki > - > https://lore.kernel.org/xen-devel/cover.7da1777882774486a13e6f39ff4a2096f6b7901e.1744028549.git-series.marma...@invisiblethingslab.com/ > - > https://patchew.org/Xen/cover.7da1777882774486a13e6f39ff4a2096f6b7901e.1744028549.git-series.marma...@invisiblethingslab.com/ > > * [4.21] automation: Refresh the remaining Debian containers (v2) > - Javi Merino > - > https://lore.kernel.org/xen-devel/cover.1730743077.git.javi.mer...@cloud.com/T/#m5d9acb7cf5db3c2be3d6527de14b69b07812314e > > * [4.21] MSI-X support with qemu in stubdomain, and other related changes (v8) > - Marek Marczykowski-Górecki > - > https://lore.kernel.org/xen-devel/cover.33fb4385b7dd6c53bda4acf0a9e91748b3d7b1f7.1715313192.git-series.marma...@invisiblethingslab.com/ > - Only automation patch left to be reviewed/merged. > > * [next-rel(s)] Physical address hypercall ABI ("HVMv2") > - Teddy Astie > - > https://lore.kernel.org/xen-devel/cover.1744981654.git.teddy.as...@vates.tech/ > > * [next-rel(s)] xen: Untangle mm.h > - Andrew Cooper > - > https://lore.kernel.org/xen-devel/20250312174513.4075066-1-andrew.coop...@citrix.com/ > - > https://patchew.org/Xen/20250312174513.4075066-1-andrew.coop...@citrix.com/ > > * [next-rel(s)] Add support for exact-node memory claims > - Alejandro Vallejo > - > https://lore.kernel.org/xen-devel/20250314172502.53498-1-alejandro.vall...@cloud.com/ > - > https://patchew.org/Xen/20250314172502.53498-1-alejandro.vall...@cloud.com/ > > * [next-rel(s)] Remove the directmap (v5) > - Alejandro Vallejo > - > https://lore.kernel.org/xen-devel/20250108151822.16030-1-alejandro.vall...@cloud.com/ > - > https://patchew.org/Xen/20250108151822.16030-1-alejandro.vall...@cloud.com/ > > * [next-rel(s)] GRUB: Supporting Secure Boot of xen.gz (v1) > - Ross Lagerwall > - https://patchew.org/Xen/20240313150748.791236-1-ross.lagerw...@citrix.com/ > > * [next-rel(s)] Introduce xenbindgen to autogen hypercall structs (v1) > - Alejandro Vallejo > - https://patchew.org/Xen/20241115115200.2824-1-alejandro.vall...@cloud.com/ > > * [next-rel(s)] Introduce NS8250 UART emulator (v2) > - Denis Mukhin > - https://patchew.org/Xen/20241205-vuart-ns8250-v1-0-e9aa92312...@ford.com/ > > * [next-rel(s)] xen: framework for UART emulators > - Denis Mukhin > - > https://lore.kernel.org/xen-devel/20250624035443.344099-1-dmuk...@ford.com/ > > === x86 === > * [4.21] x86/asm: cleanups after toolchain baseline upgrade (v1 -> v2) > - Denis Mukhin > - > https://lore.kernel.org/xen-devel/20250403182250.3329498-1-dmuk...@ford.com/ > - https://patchew.org/Xen/20250403182250.3329498-1-dmuk...@ford.com/ > > * [4.21?] x86/efi: Fix booting when NX is disabled (v1 -> v2) > - Andrew Cooper > - > https://patchew.org/Xen/20240722101838.3946983-1-andrew.coop...@citrix.com/ > - > https://lore.kernel.org/xen-devel/20240722101838.3946983-1-andrew.coop...@citrix.com/ > > * [4.21?] Hyperlaunch device tree for dom0 (v6) > - Alejandro Vallejo > - https://patchew.org/Xen/20250429123629.20839-1-agarc...@amd.com/ > - https://lore.kernel.org/xen-devel/20250429123629.20839-1-agarc...@amd.com/ > > * [4.21?] Boot modules for Hyperlaunch (v9) > - Daniel P. Smith > - > https://lore.kernel.org/xen-devel/20241115131204.32135-1-dpsm...@apertussolutions.com/ > - > https://patchew.org/Xen/20241115131204.32135-1-dpsm...@apertussolutions.com/ > > * [4.21?] Address Space Isolation FPU preparations (v2->v3) > - Alejandro Vallejo > - > https://patchew.org/Xen/20250110132823.24348-1-alejandro.vall...@cloud.com/ > > * [next-rel(s)] Hyperlaunch domain builder > - Daniel P. Smith > - > https://lore.kernel.org/xen-devel/20250515131744.3843-1-dpsm...@apertussolutions.com/ > > * [next-rel(s)] Confidential computing and AMD SEV support > - Teddy Astie > - https://patchew.org/Xen/cover.1747312394.git.teddy.as...@vates.tech/ > - > https://lore.kernel.org/xen-devel/cover.1747312394.git.teddy.as...@vates.tech/ > > * [next-rel(s)] amd-cppc CPU Performance Scaling Driver (v5 -> v6) > - Penny Zheng > - > https://lore.kernel.org/xen-devel/20250711035106.2540522-1-penny.zh...@amd.com/ > > * [next-rel(s)] x86: Trenchboot Secure Launch DRTM (Xen) (v1 -> v3) > - Sergii Dmytruk > - https://patchew.org/Xen/cover.1745172094.git.sergii.dmyt...@3mdeb.com/ > - > https://lore.kernel.org/xen-devel/cover.1748611041.git.sergii.dmyt...@3mdeb.com/ > > * [next-rel(s)] x86/EFI: prevent write-execute sections > - Roger Pau Monne <roger....@citrix.com> > - > https://lore.kernel.org/xen-devel/20250401130840.72119-1-roger....@citrix.com/ > > * [next-rel(s)] x86: generate xen.efi image with no write-execute sections > - Roger Pau Monne > - > https://lore.kernel.org/xen-devel/20250318173547.59475-1-roger....@citrix.com/ > > * [next-rel(s)] Expose consistent topology to guests (v7) > - Alejandro Vallejo > - > https://patchew.org/Xen/20241021154600.11745-1-alejandro.vall...@cloud.com/ > > * [next-rel(s)] x86/alternatives: Adjust all insn-relative fields (v2) > - Andrew Cooper > - > https://lore.kernel.org/xen-devel/20241002152725.1841575-1-andrew.coop...@citrix.com/T/#mac2deaea7e02a343210d61887486433d946ad129 > > * [next-rel(s)] x86emul: misc additions (v7) > - Jan Beulich > - https://patchew.org/Xen/3a25cd59-e1cb-4bfc-b868-fb11599d2...@suse.com/ > > * [next-rel(s)] x86: support AVX10 (v3) > - Jan Beulich > - > https://lore.kernel.org/xen-devel/516b7f9a-048e-409d-8a4e-89aeb8ffa...@suse.com/ > - https://patchew.org/Xen/516b7f9a-048e-409d-8a4e-89aeb8ffa...@suse.com/ > > * [next-rel(s)] VT-d: SATC handling; ATS: tidying (v2) > - Jan Beulich > - https://patchew.org/Xen/64b028be-2197-4951-ae5b-32f9eabfa...@suse.com/ > > * [next-rel(s)] x86: parallelize AP bring-up during boot (v1) > - Krystian Hebel > - > https://lore.kernel.org/xen-devel/cover.1699982111.git.krystian.he...@3mdeb.com/ > > * [next-rel(s)] x86/spec-ctrl: IBPB improvements (v4) > - Jan Beulich > - https://patchew.org/Xen/06591b64-2f05-a4cc-a2f3-a74c3c4a7...@suse.com/ > > * [next-rel(s)] Move some boot code from assembly to C (v2) > - Frediano Ziglio > - > https://lore.kernel.org/xen-devel/20241122093358.478774-1-frediano.zig...@cloud.com/ > - https://patchew.org/Xen/20241122093358.478774-1-frediano.zig...@cloud.com/ > > * [next-rel(s)]amd-pstate CPU Performance Scaling Driver (v1) > - Penny Zheng > - https://patchew.org/Xen/20241203081111.463400-1-penny.zh...@amd.com/ > - > https://lore.kernel.org/xen-devel/593baee2-9bf1-4db4-86e8-015cae48d...@suse.com/ > > * [next-rel(s)] x86: adventures in Address Space Isolation > - Roger Pau Monne <roger....@citrix.com> > - > https://lore.kernel.org/xen-devel/20250108142659.99490-1-roger....@citrix.com/ > > === ARM === > > * [4.21?] MPU mm subsistem skeleton > - Luca Fancellu > - > https://lore.kernel.org/xen-devel/20250312135258.1815706-1-luca.fance...@arm.com/ > - https://patchew.org/Xen/20250312135258.1815706-1-luca.fance...@arm.com/ > > * [4.21?] Add initial Xen Suspend-to-RAM support on ARM64 (v4) > - Mykola Kvach > - > https://lore.kernel.org/xen-devel/cover.1748848482.git.mykola_kv...@epam.com/ > > * [4.21?] xen/arm: scmi: introduce SCI SCMI SMC multi-agent support (->v4) > - Oleksii Moisieiev > - > https://lore.kernel.org/xen-devel/cover.1753184487.git.oleksii_moisie...@epam.com/ > > * [next-rel(s)] FF-A VM to VM support (v6) > - Bertrand Marquis <bertrand.marq...@arm.com> > - > https://lore.kernel.org/xen-devel/cover.1747925287.git.bertrand.marq...@arm.com/ > - https://patchew.org/Xen/cover.1747925287.git.bertrand.marq...@arm.com/ > > * [next-rel(s)] Add Virtio-PCI for dom0less on ARM (v1) > - Edgar E. Iglesias > - > https://lore.kernel.org/xen-devel/20240924162359.1390487-1-edgar.igles...@gmail.com/T/#mfa148991b9408f223a079d4cef610244d5b04c2b > - https://patchew.org/Xen/20240924162359.1390487-1-edgar.igles...@gmail.com/ > > * [next-rel(s)] DOMCTL-based guest magic region allocation for 11 domUs (v4) > - Henry Wang > - https://patchew.org/Xen/20240409045357.236802-1-xin.wa...@amd.com/ > > === RISCV === > > * [4.21] xen/riscv: introduce p2m functionality (v1->v3) > - Oleksii Kurochko > - > https://lore.kernel.org/xen-devel/cover.1753973161.git.oleksii.kuroc...@gmail.com/T/#t > > === PPC === > > * Early Boot Allocation on Power (v5) > - Shawn Anastasio > - > https://lore.kernel.org/xen-devel/cover.1727388925.git.sanasta...@raptorengineering.com/T/#m8cac91a93b56a359fa2d5f08596c4be61dca290d > - > https://patchew.org/Xen/cover.1727388925.git.sanasta...@raptorengineering.com/ > > == Completed == > > === Hypervisor === > > * tools: remove qemu-traditional > - Juergen Gross <jgr...@suse.com> > - https://lore.kernel.org/xen-devel/20250527132035.985-1-jgr...@suse.com/ > > * remove libxenctrl usage from xenstored (v8) > - Juergen Gross > - https://lore.kernel.org/xen-devel/20250204113407.16839-1-jgr...@suse.com/ > > * xen/config.h: Move BITS_PER_* definitions from asm/config.h to xen/config.h > - Oleksii Kurochko > - > https://lore.kernel.org/xen-devel/6b21fb046cf1c8ca760f5ad72fa3cc13b59c4069.1743092485.git.oleksii.kuroc...@gmail.com/ > > * Move parts of Arm's Dom0less to common code > - Oleksii Kurochko > - https://patchew.org/Xen/cover.1746468003.git.oleksii.kuroc...@gmail.com/ > - > https://lore.kernel.org/xen-devel/cover.1746468003.git.oleksii.kuroc...@gmail.com/T/#t > > === x86 === > > * x86: memcpy() / memset() (non-)ERMS flavors plus fallout (v4 -> v5) > - Jan Beulich > - https://patchew.org/Xen/14b65231-b83b-43fb-bbcf-dec5c07d2...@suse.com/ > > * kexec: add kexec support to Mini-OS (v1 -> v2) > - Juergen Gross <jgr...@suse.com> > - https://lore.kernel.org/xen-devel/20250616084619.11112-1-jgr...@suse.com/ > > * [4.21] Allow x86 to unflatten DTs (v8) > - Alejandro Vallejo > - > https://lore.kernel.org/xen-devel/20250722000525.7247-1-alejandro.garciavall...@amd.com/#t > > * xen: cache control improvements > - Roger Pau Monne > - > https://lore.kernel.org/xen-devel/20250506083148.34963-1-roger....@citrix.com/ > > * x86/HVM: emulation (MMIO) improvements (v3) > - Jan Beulich > - https://patchew.org/Xen/729f7896-55b7-4b5b-a7e9-6eb0420e0...@suse.com/ > > === ARM === > > * Enable R52 support for the first chunk of MPU support > - Ayan Kumar Halder > - > https://lore.kernel.org/xen-devel/20250619113152.2723066-1-ayan.kumar.hal...@amd.com/ > > * ARM split hardware and control domains (v5) > - Jason Andryuk > - > https://lore.kernel.org/xen-devel/20250416212911.410946-1-jason.andr...@amd.com/ > - https://patchew.org/Xen/20250416212911.410946-1-jason.andr...@amd.com/ > > * First chunk for Arm R82 and MPU support (v4 -> v6) > - Luca Fancellu > - > https://lore.kernel.org/xen-devel/20250523065406.3795420-1-luca.fance...@arm.com/ > - https://patchew.org/Xen/20250523065406.3795420-1-luca.fance...@arm.com/ > > * Add support for R-Car Gen4 PCI host controller (v4 -> v5) > - Mykyta Poturai > - > https://lore.kernel.org/xen-devel/cover.1747820844.git.mykyta_potu...@epam.com/ > - https://patchew.org/Xen/cover.1747820844.git.mykyta._5fpotu...@epam.com/ > > * SMMU handling for PCIe Passthrough on ARM (v11 -> v12) > - Mykyta Poturai > - > https://lore.kernel.org/xen-devel/cover.1751439885.git.mykyta_potu...@epam.com/ > > * PCI devices passthrough on Arm, part 3 (v16->v20->v21) > - Stewart Hildebrand > - > https://patchew.org/Xen/20250508104608.531079-1-stewart.hildebr...@amd.com/ > - > https://lore.kernel.org/xen-devel/20250508104608.531079-1-stewart.hildebr...@amd.com/ > > * Enable early bootup of Armv8-R AArch32 systems > - Ayan Kumar Halder > - > https://lore.kernel.org/xen-devel/20250414164514.588373-1-ayan.kumar.hal...@amd.com/ > - https://patchew.org/Xen/20250414164514.588373-1-ayan.kumar.hal...@amd.com/ > > === RISC-V === > > * riscv: introduce basic UART support and interrupts for hypervisor mode (v2 > -> v3) > - Oleksii Kurochko > - > https://lore.kernel.org/xen-devel/cover.1747843009.git.oleksii.kuroc...@gmail.com/ > - https://patchew.org/Xen/cover.1747843009.git.oleksii.kuroc...@gmail.com/ > > * RISC-V some preinit calls: > - Oleksii Kurochko > - > https://lore.kernel.org/xen-devel/4ddde60347edf6740fbc69b5739d099616f5b5ff.1743165791.git.oleksii.kuroc...@gmail.com/ > > * Fixes for UBSAN & GCOV support for RISC-V: > - Oleksii Kurochko > - > https://lore.kernel.org/xen-devel/9fbb5e1389b84bed2e95f99e4c383d0215c7a524.1744889185.git.oleksii.kuroc...@gmail.com/ > > Have a good week! > > Best regards, > Oleksii
