IntelliSense configuration for kernel headers

c_cpp_properties.json

{
    "configurations": [
        {
            "name": "Linux",
            "includePath": [
				// https://github.com/microsoft/vscode-cpptools/issues/5588#issuecomment-662116156
                "${workspaceFolder}/**",
				"/usr/src/linux-headers-5.4.0-81-generic/arch/x86/include",
				"/usr/src/linux-headers-5.4.0-81-generic/arch/x86/include/generated",
				"/usr/src/linux-headers-5.4.0-81-generic/include",
				"/usr/src/linux-headers-5.4.0-81-generic/arch/x86/include/uapi",
				"/usr/src/linux-headers-5.4.0-81-generic/arch/x86/include/generated/uapi",
				"/usr/src/linux-headers-5.4.0-81-generic/include/uapi",
				"/usr/src/linux-headers-5.4.0-81-generic/include/generated/uapi",
				"/usr/src/linux-headers-5.4.0-81-generic/ubuntu/include",
				"/usr/lib/gcc/x86_64-linux-gnu/9/include"
            ],
            "defines": [
                "__KERNEL__",
                "__SMP__",
                "MODULE"
            ],
            "intelliSenseMode": "gcc-x64",
            "compilerPath": "/usr/bin/gcc",
            "cStandard": "c11",
            "compilerArgs": [
                "-nostdinc",
                "-isystem"
            ],
            "configurationProvider": "ms-vscode.makefile-tools",
            "cppStandard": "c++11"
        }
    ],
    "version": 4
}