Am 03.03.2015 um 11:36 schrieb Paolo Bonzini: > If the iothread lock isn't taken by the main thread, the RCU callbacks > might run concurrently with the main thread. QEMU's not ready for that. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> Tested-by: Christian Borntraeger <borntrae...@de.ibm.com>
> --- > vl.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/vl.c b/vl.c > index 09693f5..d743727 100644 > --- a/vl.c > +++ b/vl.c > @@ -2763,6 +2763,9 @@ int main(int argc, char **argv, char **envp) > FILE *vmstate_dump_file = NULL; > Error *main_loop_err = NULL; > > + qemu_init_cpu_loop(); > + qemu_mutex_lock_iothread(); > + > atexit(qemu_run_exit_notifiers); > error_set_progname(argv[0]); > qemu_init_exec_dir(argv[0]); > @@ -4098,9 +4101,6 @@ int main(int argc, char **argv, char **envp) > > os_set_line_buffering(); > > - qemu_init_cpu_loop(); > - qemu_mutex_lock_iothread(); > - > #ifdef CONFIG_SPICE > /* spice needs the timers to be initialized by this point */ > qemu_spice_init(); >
