CR4_PCIDE
cr4 |= CR4_PCIDE;
lcr4(rcr4() | CR4_PCIDE);
(CR4_PSE|CR4_PAE|CR4_PGE|CR4_PCIDE|CR4_SMEP)
CR4_PCIDE | \
CR4_PCIDE | \
(CR4_PSE|CR4_PAE|CR4_PGE|CR4_PCIDE|CR4_SMEP)