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Re: [Qemu-devel] [PATCH v5 7/7] vhost: Merge and delete unused callbacks


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] [PATCH v5 7/7] vhost: Merge and delete unused callbacks
Date: Mon, 8 Jan 2018 18:43:21 +0000
User-agent: Mutt/1.9.1 (2017-09-22)

* Igor Mammedov (address@hidden) wrote:
> On Mon, 18 Dec 2017 20:13:40 +0000
> "Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> 
> > From: "Dr. David Alan Gilbert" <address@hidden>
> > 
> > Now that the olf vhost_set_memory code is gone, the _nop and _add
> > callbacks are identical and can be merged.  The _del callback is
> > no longer needed.
> > 
> > Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> With style nit fixed
> 
> Reviewed-by: Igor Mammedov <address@hidden>
> 
> > ---
> >  hw/virtio/vhost.c | 31 ++++---------------------------
> >  1 file changed, 4 insertions(+), 27 deletions(-)
> > 
> > diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
> > index 358ceb3033..4eaa4f889f 100644
> > --- a/hw/virtio/vhost.c
> > +++ b/hw/virtio/vhost.c
> > @@ -555,7 +555,8 @@ static void vhost_region_add_section(struct vhost_dev 
> > *dev,
> >      }
> >  }
> >  
> > -static void vhost_region_add(MemoryListener *listener,
> > +/* Used for both add and nop callbacks */
> > +static void vhost_region_addnop(MemoryListener *listener,
> >                               MemoryRegionSection *section)
> argument alignment should on '('

Fixed, thanks.

Dave

> >  {
> >      struct vhost_dev *dev = container_of(listener, struct vhost_dev,
> > @@ -567,29 +568,6 @@ static void vhost_region_add(MemoryListener *listener,
> >      vhost_region_add_section(dev, section);
> >  }
> >  
> > -/* Called on regions that have not changed */
> > -static void vhost_region_nop(MemoryListener *listener,
> > -                             MemoryRegionSection *section)
> > -{
> > -    struct vhost_dev *dev = container_of(listener, struct vhost_dev,
> > -                                         memory_listener);
> > -
> > -    if (!vhost_section(section)) {
> > -        return;
> > -    }
> > -
> > -    vhost_region_add_section(dev, section);
> > -}
> > -
> > -static void vhost_region_del(MemoryListener *listener,
> > -                             MemoryRegionSection *section)
> > -{
> > -    if (!vhost_section(section)) {
> > -        return;
> > -    }
> > -
> > -}
> > -
> >  static void vhost_iommu_unmap_notify(IOMMUNotifier *n, IOMMUTLBEntry 
> > *iotlb)
> >  {
> >      struct vhost_iommu *iommu = container_of(n, struct vhost_iommu, n);
> > @@ -1158,9 +1136,8 @@ int vhost_dev_init(struct vhost_dev *hdev, void 
> > *opaque,
> >      hdev->memory_listener = (MemoryListener) {
> >          .begin = vhost_begin,
> >          .commit = vhost_commit,
> > -        .region_add = vhost_region_add,
> > -        .region_del = vhost_region_del,
> > -        .region_nop = vhost_region_nop,
> > +        .region_add = vhost_region_addnop,
> > +        .region_nop = vhost_region_addnop,
> >          .log_start = vhost_log_start,
> >          .log_stop = vhost_log_stop,
> >          .log_sync = vhost_log_sync,
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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