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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>
This commit is contained in:
Peter Xu 2018-03-09 17:00:03 +08:00 committed by Eric Blake
parent abe3cd0ff7
commit 3fd2457d18
1 changed files with 4 additions and 1 deletions
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5
monitor.c
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@ -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;