On Tue, Feb 28, 2023, billz@xxxxxxxxxxx wrote: > Is it possible to use the INT1 (instead of INT3) instruction for breakpoints > under KVM? It does not seem that this instruction causes a KVM_EXIT_DEBUG (or > any other exit) and it is silently skipped instead. > > If it is possible, how should I configure the KVM API to receive such exits? #DBs from INT1, a.k.a. ICEBP, should be forwarded to userspace if KVM_GUESTDBG_USE_HW_BP is set.
