etMem 044 EulerFS 046 Gazelle 047 GCC for openEuler 049 HSAK 053 iSulad 054 Kmesh 057 LLVM for openEuler 059 OneAll 062 StratoVirt 063 Compiler Plugin Framework 065 CONTENTS Robust set of plugins that is compatible with different compilation frameworks, streamlining the GCC and LLVM ecosystems. Server Cloud Edge Embedded Efficient Concurrency and Ultimate Performance 050 openEuler Performance 059 openEuler OS Technical White Paper Innovation Projects LLVM for openEuler Compiler SIG The open source LLVM project is a collection of modular and reusable compiler and toolchain technologies

System Requirements Summary Linux Distribu�on Compa�bility Matrix Linux Kernel Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running a pre-flight DaemonSet Upgrading Micro Versions behavior appropriate for each container. Compiles the BPF programs to bytecode using clang/LLVM [h�ps://clang.llvm.org/] and passes them to the Linux kernel to run for all packets in / out of the container’s running the cilium/cilium container image) these addi�onal requirements must be met: clang+LLVM [h�ps://llvm.org] >=5.0 (Recommended: >=7.0) iproute2 [h�ps://www.kernel.org/pub/linux/u�ls/net/iproute2/]

Compatibility Matrix Linux Kernel Advanced Features and Required Kernel Version Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running pre-flight check (Required) Upgrading behavior appropriate for each container. Compiles the BPF programs to bytecode using clang/LLVM [https://clang.llvm.org/] and passes them to the Linux kernel to run for all packets in / out of the container’s running the cilium/cilium container image) these additional requirements must be met: clang+LLVM [https://llvm.org] >=5.0 (Recommended: >=7.0) iproute2 [https://www.kernel.org/pub/linux/utils/net/iproute2/]

Compatibility Matrix Linux Kernel Advanced Features and Required Kernel Version Key-Value store clang+LLVM iproute2 Firewall Rules Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment LLVM iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous behavior appropriate for each container. Compiles the BPF programs to bytecode using clang/LLVM [https://clang.llvm.org/] and passes them to the Linux kernel to run for all packets in / out of the container’s

Compatibility Matrix Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment LLVM iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous running the cilium/cilium container image) these additional requirements must be met: clang+LLVM [https://llvm.org] >= 10.0 iproute2 [https://www.kernel.org/pub/linux/utils/net/iproute2/] with BPF templating

& Considerations Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment LLVM iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous running the cilium/cilium container image) these additional requirements must be met: clang+LLVM [https://llvm.org] >= 10.0 iproute2 [https://www.kernel.org/pub/linux/utils/net/iproute2/] with eBPF templating

Compatibility Matrix Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment LLVM iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous running the cilium/cilium container image) these additional requirements must be met: clang+LLVM [https://llvm.org] >= 10.0 iproute2 [https://www.kernel.org/pub/linux/utils/net/iproute2/] with eBPF templating

& Considerations Linux Kernel Required Kernel Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check Object Pinning Tail Calls BPF to BPF Calls JIT Hardening Offloads Toolchain Development Environment LLVM iproute2 bpftool BPF sysctls Kernel Testing JIT Debugging Introspection Tracing pipe Miscellaneous running the cilium/cilium container image) these additional requirements must be met: clang+LLVM [https://llvm.org] >= 10.0 iproute2 [https://www.kernel.org/pub/linux/utils/net/iproute2/] with eBPF templating

6.8 v0.8 @ 2021.10.13 v0.8 新增 LLVM/Clang, Rust 和 openEuler 支持。 • v0.8 rc3 – 新增 Rust for Kernel 开发支持 – 新增 openEuler Kernel 开发支持 – 新增 LLVM/Clang 编译支持，make kernel LLVM=1 – 新增 rust 环境安装脚本 – Pocket Linux – 新增 lxterminal 和 qterminal 支持 – Linux Lab Disk 新增 Kali 和 Mint 支持，并首次支持免关机切换系统 • v0.9 rc1 – 升级 LLVM 工具链到 13 – 升级内核版本到 v5.13 – 新增 cleanall，可同时清理 source 和 build 1.6.10 v1.0 @ 2022.06.16 v1.0 升级部分内核到

6.8 v0.8 @ 2021.10.13 v0.8 新增 LLVM/Clang, Rust 和 openEuler 支持。 • v0.8 rc3 – 新增 Rust for Kernel 开发支持 – 新增 openEuler Kernel 开发支持 – 新增 LLVM/Clang 编译支持，make kernel LLVM=1 – 新增 rust 环境安装脚本 – Pocket Linux – 新增 lxterminal 和 qterminal 支持 – Linux Lab Disk 新增 Kali 和 Mint 支持，并首次支持免关机切换系统 • v0.9 rc1 – 升级 LLVM 工具链到 13 – 升级内核版本到 v5.13 – 新增 cleanall，可同时清理 source 和 build 1.6.10 v1.0 @ 2022.06.16 v1.0 升级部分内核到