https://bugzilla.kernel.org/show_bug.cgi?id=218267 shu.info.oss@xxxxxxxxx changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |shu.info.oss@xxxxxxxxx --- Comment #10 from shu.info.oss@xxxxxxxxx --- Hi Gao, (In reply to Chao Gao from comment #7) > I just checked the microcode release > https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/releases. > The microcode fix hasn't been released yet, but the erratum is already in > SPR/EMR specification. e.g., for SPR, > > SPR141. VM Exit Following MOV to CR8 Instruction May Lead to Unexpected > IDT Vectoring-Information > Problem: Under certain conditions, a VM exit following execution of the MOV > to CR8 > instruction may unexpectedly result in setting the Valid bit (bit 31) of the > IDTVectoring Information Field in the Virtual Machine Control Structure > (VMCS). > Implication: Depending on the operation of the virtual-machine monitor > (VMM), this > may result in unexpected VM behavior. > Workaround: It may be possible for the BIOS to contain a workaround for this > erratum Can we resolve this bug with only BIOS updates if a update patch includes a fix for this bug? If so, what is ticket number for a update patch of BIOS? it is SPR141? Thanks, Hidehiko Matsumoto -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
