742c45c3ecc9 ("x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2")
b745cfba44c1 ("x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit")
dd649bd0b3aa ("x86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE")
873d50d58f67 ("x86/asm: Pin sensitive CR4 bits")