From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liming Wang Subject: [PATCH 1/3] kvm tools: ignore balloon signals by default to avoid balloon crash Date: Thu, 11 Aug 2011 15:28:10 +0800 Message-ID: <1313047690-22524-1-git-send-email-walimisdev@gmail.com> References: <1313047745.3456.4.camel@lappy> Mime-Version: 1.0 Content-Type: text/plain Cc: Sasha Levin , Ingo Molnar , Asias He , To: Pekka Enberg Return-path: Received: from mail.windriver.com ([147.11.1.11]:44241 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751085Ab1HKHoQ (ORCPT ); Thu, 11 Aug 2011 03:44:16 -0400 In-Reply-To: <1313047745.3456.4.camel@lappy> Sender: kvm-owner@vger.kernel.org List-ID: If "kvm run" without balloon option, use "kvm balloon" may crash kvm. So ignore balloon signals by default to avoid this. Signed-off-by: Liming Wang --- tools/kvm/builtin-run.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/tools/kvm/builtin-run.c b/tools/kvm/builtin-run.c index fa5de27..1ab7122 100644 --- a/tools/kvm/builtin-run.c +++ b/tools/kvm/builtin-run.c @@ -469,6 +469,9 @@ int kvm_cmd_run(int argc, const char **argv, const char *prefix) signal(SIGUSR2, handle_sigusr2); signal(SIGKVMSTOP, handle_sigstop); signal(SIGKVMRESUME, handle_sigusr2); + /* ignore balloon signal by default if not enable balloon optiion */ + signal(SIGKVMADDMEM, SIG_IGN); + signal(SIGKVMDELMEM, SIG_IGN); nr_online_cpus = sysconf(_SC_NPROCESSORS_ONLN); -- 1.7.0.4