Re: [PATCH 01/10] virtio/s390: use vring_create_virtqueue

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On Sun, 12 May 2019 12:47:39 -0400
"Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:

> On Fri, May 10, 2019 at 04:07:44PM +0200, Cornelia Huck wrote:
> > On Tue, 7 May 2019 15:58:12 +0200
> > Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:
> >   
> > > On 05.05.19 13:15, Cornelia Huck wrote:  
> > > > On Sat, 4 May 2019 16:03:40 +0200
> > > > Halil Pasic <pasic@xxxxxxxxxxxxx> wrote:
> > > >     
> > > >> On Fri, 3 May 2019 16:04:48 -0400
> > > >> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > > >>    
> > > >>> On Fri, May 03, 2019 at 11:17:24AM +0200, Cornelia Huck wrote:      
> > > >>>> On Fri, 26 Apr 2019 20:32:36 +0200
> > > >>>> Halil Pasic <pasic@xxxxxxxxxxxxx> wrote:
> > > >>>>       
> > > >>>>> The commit 2a2d1382fe9d ("virtio: Add improved queue allocation API")
> > > >>>>> establishes a new way of allocating virtqueues (as a part of the effort
> > > >>>>> that taught DMA to virtio rings).
> > > >>>>>
> > > >>>>> In the future we will want virtio-ccw to use the DMA API as well.
> > > >>>>>
> > > >>>>> Let us switch from the legacy method of allocating virtqueues to
> > > >>>>> vring_create_virtqueue() as the first step into that direction.
> > > >>>>>
> > > >>>>> Signed-off-by: Halil Pasic <pasic@xxxxxxxxxxxxx>
> > > >>>>> ---
> > > >>>>>  drivers/s390/virtio/virtio_ccw.c | 30 +++++++++++-------------------
> > > >>>>>  1 file changed, 11 insertions(+), 19 deletions(-)      
> > > >>>>
> > > >>>> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
> > > >>>>
> > > >>>> I'd vote for merging this patch right away for 5.2.      
> > > >>>
> > > >>> So which tree is this going through? mine?
> > > >>>       
> > > >>
> > > >> Christian, what do you think? If the whole series is supposed to go in
> > > >> in one go (which I hope it is), via Martin's tree could be the simplest
> > > >> route IMHO.    
> > > > 
> > > > 
> > > > The first three patches are virtio(-ccw) only and the those are the ones
> > > > that I think are ready to go.
> > > > 
> > > > I'm not feeling comfortable going forward with the remainder as it
> > > > stands now; waiting for some other folks to give feedback. (They are
> > > > touching/interacting with code parts I'm not so familiar with, and lack
> > > > of documentation, while not the developers' fault, does not make it
> > > > easier.)
> > > > 
> > > > Michael, would you like to pick up 1-3 for your tree directly? That
> > > > looks like the easiest way.    
> > > 
> > > Agreed. Michael please pick 1-3.
> > > We will continue to review 4- first and then see which tree is best.  
> > 
> > Michael, please let me know if you'll pick directly or whether I should
> > post a series.
> > 
> > [Given that the patches are from one virtio-ccw maintainer and reviewed
> > by the other, picking directly would eliminate an unnecessary
> > indirection :)]  
> 
> picked them

Thanks!



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