On Wed, Feb 07, 2024 at 09:26:26AM -0800, Xin Li wrote: >Clear FRED VM entry/exit controls when initializing a vCPU, and set >these controls only if FRED is enumerated after set CPUID. > >FRED VM entry/exit controls need to be set to establish context >sufficient to support FRED event delivery immediately after VM entry >and exit. However it is not required to save/load FRED MSRs for >a non-FRED guest, which aren't supposed to access FRED MSRs. > >Signed-off-by: Xin Li <xin3.li@xxxxxxxxx> >Tested-by: Shan Kang <shan.kang@xxxxxxxxx> Reviewed-by: Chao Gao <chao.gao@xxxxxxxxx>
