If "kvm run" without balloon option, use "kvm balloon" may crash kvm. Add signal placeholder to avoid this. Signed-off-by: Liming Wang <walimisdev@xxxxxxxxx> --- tools/kvm/builtin-run.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c index fa5de27..d725834 100644 --- a/tools/kvm/builtin-run.c +++ b/tools/kvm/builtin-run.c @@ -280,6 +280,10 @@ static void handle_sigstop(int sig) kvm_cpu__reboot(); } +static void handle_empty(int sig) +{ +} + static void *kvm_cpu_thread(void *arg) { current_kvm_cpu = arg; @@ -469,6 +473,9 @@ int kvm_cmd_run(int argc, const char **argv, const char *prefix) signal(SIGUSR2, handle_sigusr2); signal(SIGKVMSTOP, handle_sigstop); signal(SIGKVMRESUME, handle_sigusr2); + /* signal placeholder if not enable balloon */ + signal(SIGKVMADDMEM, handle_empty); + signal(SIGKVMDELMEM, handle_empty); nr_online_cpus = sysconf(_SC_NPROCESSORS_ONLN); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html