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authorPeter Xu <peterx@redhat.com>2018-03-09 17:00:03 +0800
committerEric Blake <eblake@redhat.com>2018-03-19 14:58:37 -0500
commit3fd2457d18edf5736f713dfe1ada9c87a9badab1 (patch)
tree18d5b59e681680268018317ee5c99805aae42915 /monitor.c
parentabe3cd0ff7f774966da6842620806ab7576fe4f3 (diff)
downloadqemu-3fd2457d18edf5736f713dfe1ada9c87a9badab1.tar.gz
monitor: enable IO thread for (qmp & !mux) typed
Start to use dedicate IO thread for QMP monitors that are not using MUXed chardev. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180309090006.10018-21-peterx@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'monitor.c')
-rw-r--r--monitor.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/monitor.c b/monitor.c
index 77f4c41cfa..6ccd2fc089 100644
--- a/monitor.c
+++ b/monitor.c
@@ -36,6 +36,7 @@
#include "net/slirp.h"
#include "chardev/char-fe.h"
#include "chardev/char-io.h"
+#include "chardev/char-mux.h"
#include "ui/qemu-spice.h"
#include "sysemu/numa.h"
#include "monitor/monitor.h"
@@ -4536,8 +4537,10 @@ static void monitor_qmp_setup_handlers_bh(void *opaque)
void monitor_init(Chardev *chr, int flags)
{
Monitor *mon = g_malloc(sizeof(*mon));
+ /* Enable IOThread for QMPs that are not using MUX chardev backends. */
+ bool use_io_thr = (!CHARDEV_IS_MUX(chr)) && (flags & MONITOR_USE_CONTROL);
- monitor_data_init(mon, false, false);
+ monitor_data_init(mon, false, use_io_thr);
qemu_chr_fe_init(&mon->chr, chr, &error_abort);
mon->flags = flags;