From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51982) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ehG6P-00027c-2O for qemu-devel@nongnu.org; Thu, 01 Feb 2018 09:44:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ehG6O-0003aQ-AB for qemu-devel@nongnu.org; Thu, 01 Feb 2018 09:44:37 -0500 Received: from mx1.redhat.com ([209.132.183.28]:49774) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ehG6O-0003Zv-3S for qemu-devel@nongnu.org; Thu, 01 Feb 2018 09:44:36 -0500 From: Paolo Bonzini Date: Thu, 1 Feb 2018 09:44:27 -0500 Message-Id: <20180201144430.14441-4-pbonzini@redhat.com> In-Reply-To: <20180201144430.14441-1-pbonzini@redhat.com> References: <20180201144430.14441-1-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH 3/6] cpus: dummy: unregister thread with RCU, exit loop on unplug List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: linzc@zju.edu.cn Signed-off-by: Paolo Bonzini --- cpus.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/cpus.c b/cpus.c index 789ff7897b..34c86192d1 100644 --- a/cpus.c +++ b/cpus.c @@ -1235,7 +1235,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg) cpu->created = true; qemu_cond_signal(&qemu_cpu_cond); - while (1) { + do { qemu_mutex_unlock_iothread(); do { int sig; @@ -1247,8 +1247,9 @@ static void *qemu_dummy_cpu_thread_fn(void *arg) } qemu_mutex_lock_iothread(); qemu_wait_io_event(cpu); - } + } while (!cpu->unplug); + rcu_unregister_thread(); return NULL; #endif } -- 2.14.3