cr4_init_shadow    37 arch/x86/kernel/head32.c 	cr4_init_shadow();
cr4_init_shadow   441 arch/x86/kernel/head64.c 	cr4_init_shadow();
cr4_init_shadow  1408 arch/x86/xen/enlighten_pv.c 	cr4_init_shadow(); /* 32b kernel does this in i386_start_kernel() */