#define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */
#define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
#define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */
+#define X86_CR4_RDWRGSFS 0x00010000 /* enable RDWRGSFS support */
#define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */
#define X86_CR4_SMEP 0x00100000 /* enable SMEP support */