X86_CR4_OSXSAVE 126 arch/x86/include/uapi/asm/processor-flags.h #define X86_CR4_OSXSAVE _BITUL(X86_CR4_OSXSAVE_BIT) X86_CR4_OSXSAVE 32 tools/testing/selftests/kvm/include/x86_64/processor.h #define X86_CR4_OSXSAVE (1ul << 18)