[PATCH v8 09/12] vdpa/ifc: change some driver logic

[Pei, Andy]

Hi Chenbo,

Thanks for your review, I will send v9 to do this.

> -----Original Message-----
> From: Xia, Chenbo <chenbo.xia at intel.com>
> Sent: Wednesday, October 19, 2022 5:13 PM
> To: Pei, Andy <andy.pei at intel.com>; dev at dpdk.org
> Cc: Xu, Rosen <rosen.xu at intel.com>; Huang, Wei <wei.huang at intel.com>;
> Cao, Gang <gang.cao at intel.com>; maxime.coquelin at redhat.com
> Subject: RE: [PATCH v8 09/12] vdpa/ifc: change some driver logic
> 
> > -----Original Message-----
> > From: Pei, Andy <andy.pei at intel.com>
> > Sent: Tuesday, October 18, 2022 8:08 PM
> > To: dev at dpdk.org
> > Cc: Xia, Chenbo <chenbo.xia at intel.com>; Xu, Rosen
> > <rosen.xu at intel.com>; Huang, Wei <wei.huang at intel.com>; Cao, Gang
> > <gang.cao at intel.com>; maxime.coquelin at redhat.com
> > Subject: [PATCH v8 09/12] vdpa/ifc: change some driver logic
> >
> > Insert internal list element to internal list before register vdpa
> > device, in order to call vdpa ops during vdpa device registration.
> 
> Patch seems good but title may be too general..
> 
> Maybe: improve internal list logic ?
> 
> Thanks,
> Chenbo
> 
> >
> > Signed-off-by: Andy Pei <andy.pei at intel.com>
> > ---
> >  drivers/vdpa/ifc/ifcvf_vdpa.c | 11 +++++++----
> >  1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > b/drivers/vdpa/ifc/ifcvf_vdpa.c index c16e263..8dfd493 100644
> > --- a/drivers/vdpa/ifc/ifcvf_vdpa.c
> > +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
> > @@ -1737,17 +1737,20 @@ struct rte_vdpa_dev_info dev_info[] = {
> >  	}
> >  	internal->sw_lm = sw_fallback_lm;
> >
> > +	pthread_mutex_lock(&internal_list_lock);
> > +	TAILQ_INSERT_TAIL(&internal_list, list, next);
> > +	pthread_mutex_unlock(&internal_list_lock);
> > +
> >  	internal->vdev = rte_vdpa_register_device(&pci_dev->device,
> >  				dev_info[internal->hw.device_type].ops);
> >  	if (internal->vdev == NULL) {
> >  		DRV_LOG(ERR, "failed to register device %s", pci_dev->name);
> > +		pthread_mutex_lock(&internal_list_lock);
> > +		TAILQ_REMOVE(&internal_list, list, next);
> > +		pthread_mutex_unlock(&internal_list_lock);
> >  		goto error;
> >  	}
> >
> > -	pthread_mutex_lock(&internal_list_lock);
> > -	TAILQ_INSERT_TAIL(&internal_list, list, next);
> > -	pthread_mutex_unlock(&internal_list_lock);
> > -
> >  	rte_atomic32_set(&internal->started, 1);
> >  	update_datapath(internal);
> >
> > --
> > 1.8.3.1