On Wed, Jan 09, 2019 at 01:07:16PM +0100, Christian Borntraeger wrote: > On 09.01.2019 11:35, Wei Wang wrote: > > On 01/08/2019 04:46 PM, Christian Borntraeger wrote: > >> > >> On 08.01.2019 06:35, Wei Wang wrote: > >>> On 01/07/2019 09:49 PM, Christian Borntraeger wrote: > >>>> On 07.01.2019 08:01, Wei Wang wrote: > >>>>> virtio-ccw has deadlock issues with reading the config space inside the > >>>>> interrupt context, so we tweak the virtballoon_changed implementation > >>>>> by moving the config read operations into the related workqueue contexts. > >>>>> The config_read_bitmap is used as a flag to the workqueue callbacks > >>>>> about the related config fields that need to be read. > >>>>> > >>>>> The cmd_id_received is also renamed to cmd_id_received_cache, and > >>>>> the value should be obtained via virtio_balloon_cmd_id_received. > >>>>> > >>>>> Reported-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > >>>>> Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx> > >>>>> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> > >>>>> Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx> > >>>> Together with > >>>> virtio_pci: use queue idx instead of array idx to set up the vq > >>>> virtio: don't allocate vqs when names[i] = NULL > >>>> > >>>> Tested-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> > >>> OK. I don't plan to send a new version of the above patches as no changes needed so far. > >>> > >>> Michael, if the above two patches look good to you, please help add the related tested-by > >>> and reviewed-by tags. Thanks. > >> Can we also make sure that > >> > >> virtio_pci: use queue idx instead of array idx to set up the vq > >> virtio: don't allocate vqs when names[i] = NULL > >> > >> also land in stable? > >> > > > > You could also send the request to stable after it gets merged to Linus' tree. > > The stable review committee will decide whether to take it. > > > > Please see Option 2: > > > > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > > > > Those patches are not upstream yet, Correct? > > Michael, > > can you add the stable tag before submitting? If not, can you give me a heads up when doing the > pull request so that I can ping the stable folks. Can you reply to patches that you feel are needed on stable with just Cc: stable@xxxxxxxxxxxxxxx in the message body? Then it's all automatically handled by ack attaching scripts. -- MST