X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=balloon.c;h=9319879838589402478dbcc9d17be8a3a30f67a5;hb=2fa23277d58ce7ec527541b3baf52894ded530cc;hp=1d720fff816e209797ff6fb94037b4bbb8f1b562;hpb=4100a344eb3d50d88f9da85cae334afc47aee134;p=mirror_qemu.git diff --git a/balloon.c b/balloon.c index 1d720fff81..9319879838 100644 --- a/balloon.c +++ b/balloon.c @@ -26,27 +26,34 @@ #include "qemu/osdep.h" #include "qemu-common.h" +#include "qemu/atomic.h" #include "exec/cpu-common.h" #include "sysemu/kvm.h" #include "sysemu/balloon.h" #include "trace-root.h" -#include "qmp-commands.h" +#include "qapi/error.h" +#include "qapi/qapi-commands-misc.h" #include "qapi/qmp/qerror.h" -#include "qapi/qmp/qjson.h" static QEMUBalloonEvent *balloon_event_fn; static QEMUBalloonStatus *balloon_stat_fn; static void *balloon_opaque; -static bool balloon_inhibited; +static int balloon_inhibit_count; bool qemu_balloon_is_inhibited(void) { - return balloon_inhibited; + return atomic_read(&balloon_inhibit_count) > 0; } void qemu_balloon_inhibit(bool state) { - balloon_inhibited = state; + if (state) { + atomic_inc(&balloon_inhibit_count); + } else { + atomic_dec(&balloon_inhibit_count); + } + + assert(atomic_read(&balloon_inhibit_count) >= 0); } static bool have_balloon(Error **errp)