On 14/12/19 00:16, Jim Mattson wrote: > More often than not, a failed VM-entry in a production environment is > the result of a defective CPU (at least, insofar as Intel x86 is > concerned). It's conforting that someone else got to the same conclusion as we did... Paolo > To aid in identifying the bad hardware, add the logical > CPU to the information provided to userspace on a KVM exit with reason > KVM_EXIT_FAIL_ENTRY. The presence of this additional information is > indicated by a new capability, KVM_CAP_FAILED_ENTRY_CPU. > > Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx> > Reviewed-by: Peter Shier <pshier@xxxxxxxxxx> > Reviewed-by: Oliver Upton <oupton@xxxxxxxxxx>