From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58094) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNRGn-00078l-LR for qemu-devel@nongnu.org; Wed, 13 Jul 2016 17:00:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bNRGm-0001El-SJ for qemu-devel@nongnu.org; Wed, 13 Jul 2016 17:00:37 -0400 Received: from mail-lf0-x235.google.com ([2a00:1450:4010:c07::235]:35718) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bNRGm-0001EX-Ff for qemu-devel@nongnu.org; Wed, 13 Jul 2016 17:00:36 -0400 Received: by mail-lf0-x235.google.com with SMTP id f93so48251735lfi.2 for ; Wed, 13 Jul 2016 14:00:36 -0700 (PDT) From: Sergey Fedorov Date: Thu, 14 Jul 2016 00:00:14 +0300 Message-Id: <1468443622-17368-5-git-send-email-sergey.fedorov@linaro.org> In-Reply-To: <1468443622-17368-1-git-send-email-sergey.fedorov@linaro.org> References: <1468443622-17368-1-git-send-email-sergey.fedorov@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v3 04/12] cpus: Wrap mutex used to protect CPU work List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: patches@linaro.org, serge.fdrv@gmail.com, MTTCG Devel , =?UTF-8?B?S09OUkFEIEZyw6lkw6lyaWM=?= , Alvise Rigo , "Emilio G. Cota" , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Paolo Bonzini , Richard Henderson , Peter Maydell , Sergey Fedorov , Peter Crosthwaite From: Sergey Fedorov This will be useful to enable CPU work on user mode emulation. Signed-off-by: Sergey Fedorov Signed-off-by: Sergey Fedorov Reviewed-by: Alex Bennée --- cpus.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/cpus.c b/cpus.c index 04687c85bcd4..f80ed2aeefdd 100644 --- a/cpus.c +++ b/cpus.c @@ -910,6 +910,11 @@ void qemu_init_cpu_loop(void) qemu_thread_get_self(&io_thread); } +static QemuMutex *qemu_get_cpu_work_mutex(void) +{ + return &qemu_global_mutex; +} + static void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi) { qemu_mutex_lock(&cpu->work_mutex); @@ -943,7 +948,7 @@ void run_on_cpu(CPUState *cpu, run_on_cpu_func func, void *data) while (!atomic_mb_read(&wi.done)) { CPUState *self_cpu = current_cpu; - qemu_cond_wait(&qemu_work_cond, &qemu_global_mutex); + qemu_cond_wait(&qemu_work_cond, qemu_get_cpu_work_mutex()); current_cpu = self_cpu; } } -- 1.9.1