On Fri, Mar 20, 2020 at 02:03:17PM -0700, David Rientjes wrote: > On Thu, 19 Mar 2020, Joerg Roedel wrote: > > + if (exit_info_1 & IOIO_TYPE_STR) { > > + int df = (regs->flags & X86_EFLAGS_DF) ? -1 : 1; > > [ ... ] > > + if (!(exit_info_1 & IOIO_TYPE_IN)) { > > + ret = vc_insn_string_read(ctxt, > > + (void *)(es_base + regs->si), > > + ghcb->shared_buffer, io_bytes, > > + exit_info_2, df); > > The last argument to vc_insn_string_read() is "bool backwards" which in > this case it appears will always be true? Right, thanks, good catch, I'll fix this. Seems to be a leftover from a previous version. Regards, Joerg