On Tue, Apr 20, 2021 at 04:16:14AM -0400, Paolo Bonzini wrote: > The main thread could start to send SIG_IPI at any time, even before signal > blocked on vcpu thread. Therefore, start the vcpu thread with the signal > blocked. > > Without this patch, on very busy cores the dirty_log_test could fail directly > on receiving a SIGUSR1 without a handler (when vcpu runs far slower than main). > > Reported-by: Peter Xu <peterx@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Yes, indeed better! :) Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu
