On Wed, Dec 02, 2009 at 11:41:19AM -0200, Glauber Costa wrote: > > KVM vcpu threads should block SIGUSR1, set the in-kernel signal mask > > with KVM_SET_SIGNAL_MASK ioctl, and eat the signal in > > qemu_wait_io_event (qemu_flush_work should run after eating > > the signal). Similarly to qemu-kvm's kvm_main_loop_wait. > > > > Otherwise a vcpu thread can lose a signal (say handle SIGUSR1 when not > > holding qemu_global_mutex before kernel entry). > > > > I think this the source of the problems patch 8 attempts to fix. > > I remember you had patches for both theses fixes.
Only qemu_wait_io_event split. > Can you resend them, ontop of this series? There is not much sense to split qemu_wait_io_event after what your patch set does (it should be split before).