CVSROOT: /cvs Module name: src Changes by: mlar...@cvs.openbsd.org 2023/09/03 03:30:43
Modified files:
sys/arch/amd64/amd64: identcpu.c vmm_machdep.c
sys/arch/amd64/include: specialreg.h vmmvar.h
Log message:
vmm(4): Suppress AMD HwPstate visibility to guests
On newer Ryzen/EPYC, we need to hide the HwPstate CPUID 80000007:EDX
field for HwPstate, or guests will try to access the MSRs associated
with those, and that will fail with #GP.
ok deraadt
