Symbol: XFEATURE_PKRU
usr/src/uts/intel/os/cpuid.c
5205
if (cpi->cpi_xsave.xsav_hw_features_low & XFEATURE_PKRU) {
usr/src/uts/intel/sys/x86_archext.h
1693
XFEATURE_AVX512 | XFEATURE_PKRU)