Il 08/08/2012 08:25, Liu Ping Fan ha scritto:
> From: Liu Ping Fan <pingfank@xxxxxxxxxxxxxxxxxx>
>
> iohandler/bh/timer may use DeviceState when its refcnt=0,
> postpone the reclaimer till they have done with it.
>
> Signed-off-by: Liu Ping Fan <pingfank@xxxxxxxxxxxxxxxxxx>
> ---
> qom/object.c | 9 ++++++++-
> 1 files changed, 8 insertions(+), 1 deletions(-)
>
> diff --git a/qom/object.c b/qom/object.c
> index 822bdb7..1452b1b 100644
> --- a/qom/object.c
> +++ b/qom/object.c
> @@ -23,6 +23,8 @@
> #include "qbool.h"
> #include "qint.h"
> #include "qstring.h"
> +#include "hw/qdev.h"
> +#include "qemu/reclaimer.h"
>
> #define MAX_INTERFACES 32
>
> @@ -646,7 +648,12 @@ void object_unref(Object *obj)
> {
> g_assert(atomic_read(&obj->ref) > 0);
> if (atomic_dec_and_test(&obj->ref)) {
> - object_finalize(obj);
> + /* fixme, maybe introduce obj->finalze to make this more elegant */
> + if (object_dynamic_cast(obj, TYPE_DEVICE) != NULL) {
> + qemu_reclaimer_enqueue(obj, object_finalize);
> + } else {
> + object_finalize(obj);
> + }
> }
> }
>
>
Just do this unconditionally.
Paolo
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