Emulate machine check related MSR_EXTFEATURES to allow guest OSes to boot on AMD FX Series. PR: 224476 Submitted by: Keita Uchida <m@jgz.jp> Reviewed by: rgrimes Sponsored by: iXsystems Inc. Differential Revision: https://reviews.freebsd.org/D17713
head/sys/amd64/vmm/amd/svm_msr.c