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Re: [Qemu-devel] [PATCH 1/6] virtio-bus: Drop "set_handler" parameter
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH 1/6] virtio-bus: Drop "set_handler" parameter |
Date: |
Tue, 12 Jul 2016 17:16:42 +0800 |
User-agent: |
Mutt/1.6.1 (2016-04-27) |
On Tue, 07/12 11:09, Cornelia Huck wrote:
> On Tue, 12 Jul 2016 13:19:55 +0800
> Fam Zheng <address@hidden> wrote:
>
> > It always equals to assign now.
>
> I think this needs further elaboration...
>
> >
> > Signed-off-by: Fam Zheng <address@hidden>
> > Reviewed-by: Stefan Hajnoczi <address@hidden>
> > ---
> > hw/virtio/virtio-bus.c | 13 ++++++-------
> > 1 file changed, 6 insertions(+), 7 deletions(-)
> >
>
> > @@ -167,7 +166,7 @@ static int set_host_notifier_internal(DeviceState
> > *proxy, VirtioBusState *bus,
> > error_report("%s: unable to init event notifier: %d",
> > __func__, r);
> > return r;
> > }
> > - virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler);
> > + virtio_queue_set_host_notifier_fd_handler(vq, true, true);
> > r = k->ioeventfd_assign(proxy, notifier, n, assign);
> > if (r < 0) {
> > error_report("%s: unable to assign ioeventfd: %d", __func__,
> > r);
>
> > @@ -269,7 +268,7 @@ int virtio_bus_set_host_notifier(VirtioBusState *bus,
> > int n, bool assign)
> > */
> > virtio_bus_stop_ioeventfd(bus);
> > }
> > - return set_host_notifier_internal(proxy, bus, n, assign, false);
> > + return set_host_notifier_internal(proxy, bus, n, assign);
>
> ...because this changes the behaviour for assign==true.
Oh this is the one I overlook in rebase because it wasn't present with your
refactoring but it is now back in commit 0830c96d70b.
Good catch, I need to fix this, and therefore Stefan's r-b shouldn't have been
kept along.
Fam
>
> > }
> >
> > static char *virtio_bus_get_dev_path(DeviceState *dev)
>
- [Qemu-devel] [PATCH 0/6] virtio: Merge virtio-{blk, scsi} host notifier handling paths, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 1/6] virtio-bus: Drop "set_handler" parameter, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 2/6] virtio: Add typedef for handle_output, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 3/6] virtio: Introduce virtio_add_queue_aio, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 4/6] virtio-blk: Call virtio_add_queue_aio, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 5/6] virtio-scsi: Call virtio_add_queue_aio, Fam Zheng, 2016/07/12
- [Qemu-devel] [PATCH 6/6] Revert "mirror: Workaround for unexpected iohandler events during completion", Fam Zheng, 2016/07/12