diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/vl.c b/vl.c index 71d3e7eefb..4c5033842c 100644 --- a/vl.c +++ b/vl.c @@ -2755,8 +2755,6 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp) static void configure_accelerators(const char *progname) { const char *accel; - char **accel_list, **tmp; - bool accel_initialised = false; bool init_failed = false; qemu_opts_foreach(qemu_find_opts("icount"), @@ -2764,26 +2762,33 @@ static void configure_accelerators(const char *progname) accel = qemu_opt_get(qemu_get_machine_opts(), "accel"); if (QTAILQ_EMPTY(&qemu_accel_opts.head)) { + char **accel_list, **tmp; + if (accel == NULL) { /* Select the default accelerator */ - if (!accel_find("tcg") && !accel_find("kvm")) { - error_report("No accelerator selected and" - " no default accelerator available"); - exit(1); - } else { - int pnlen = strlen(progname); - if (pnlen >= 3 && g_str_equal(&progname[pnlen - 3], "kvm")) { + bool have_tcg = accel_find("tcg"); + bool have_kvm = accel_find("kvm"); + + if (have_tcg && have_kvm) { + if (g_str_has_suffix(progname, "kvm")) { /* If the program name ends with "kvm", we prefer KVM */ accel = "kvm:tcg"; } else { accel = "tcg:kvm"; } + } else if (have_kvm) { + accel = "kvm"; + } else if (have_tcg) { + accel = "tcg"; + } else { + error_report("No accelerator selected and" + " no default accelerator available"); + exit(1); } } - accel_list = g_strsplit(accel, ":", 0); - for (tmp = accel_list; !accel_initialised && tmp && *tmp; tmp++) { + for (tmp = accel_list; *tmp; tmp++) { /* * Filter invalid accelerators here, to prevent obscenities * such as "-machine accel=tcg,,thread=single". |