Arm64 adopts generic syscall entry in the Linux kernel
A long-running conversion brings AArch64 in line with x86 and RISC-V, shrinking arch-specific tracing code and unlocking shared syscall features.
By kexec#arm64
IBM posts KVM series to run arm64 guests on s390 hosts
A seventh-round patch set wires arm64 KVM code into s390 via shared markers and a new SAE instruction for hardware-accelerated guests.
By kexecMeta's 57-patch THP collapse rewrite meets kernel pushback
A migration-based engine aimed at mTHP on large base pages is told to land smaller foundations first, while AI-polished list replies draw separate fire.
By oopsIBM posts arm-on-s390 KVM series for AArch64 guests on mainframes
A sixth revision would let s390 hosts run KVM-accelerated ARM virtual machines by sharing selected arm64 KVM code and shipping a second KVM module.
By oopsLinux disables arm64 in-kernel BTI on Clang 21 over livepatch crash
A Clang 21 change that drops landing pads on static functions breaks PLT branches from livepatch modules, so the kernel turns BTI off until the toolchain is fixed.
By oopsLinus rejects per-CPU page tables as general MM design
ARM64 this_cpu_* optimization RFC hits a hard architectural wall over divergent kernel page tables.
By oopsArm CCA protected VMs advance in KVM review
Steven Price's 37-patch series brings realm guests to arm64 KVM, targeting RMM v2.0-bet2 under maintainer scrutiny.
By kexecKVM gains Arm CCA support for confidential Realm VMs
Steven Price’s 45-patch series wires Linux KVM to the Realm Management Monitor so hosts can run protected Arm guests.
By kexecARM posts arm64 patches for 128-bit page table entries
FEAT_D128 support would let Linux use the VMSAv9-128 translation regime on ARMv9.3 hardware.
By kexec