On 01/04/2019 12:42 AM, Michael S. Tsirkin wrote:
On Thu, Jan 03, 2019 at 01:31:01PM +0800, Wei Wang wrote:
virtio-ccw has deadlock issues with reading config registers inside the
interrupt context, so we tweak the virtballoon_changed implementation
by moving the config read operations into the
On Thu, Jan 03, 2019 at 01:31:01PM +0800, Wei Wang wrote:
> virtio-ccw has deadlock issues with reading config registers inside the
> interrupt context, so we tweak the virtballoon_changed implementation
> by moving the config read operations into the related workqueue contexts.
>
> Signed-off-by:
On Thu, 3 Jan 2019 13:31:01 +0800
Wei Wang wrote:
> virtio-ccw has deadlock issues with reading config registers inside the
> interrupt context
I would say something like 'virtio-ccw does not support using
virtio_config_ops from an atomic context' as the limitation is not
limited to read config
On 01/03/2019 05:40 PM, Cornelia Huck wrote:
On Thu, 3 Jan 2019 13:31:01 +0800
Wei Wang wrote:
virtio-ccw has deadlock issues with reading config registers inside the
s/config registers/the config space/ ?
Sounds good.
interrupt context, so we tweak the virtballoon_changed implementati
On Thu, 3 Jan 2019 13:31:01 +0800
Wei Wang wrote:
> virtio-ccw has deadlock issues with reading config registers inside the
s/config registers/the config space/ ?
> interrupt context, so we tweak the virtballoon_changed implementation
> by moving the config read operations into the related wor
virtio-ccw has deadlock issues with reading config registers inside the
interrupt context, so we tweak the virtballoon_changed implementation
by moving the config read operations into the related workqueue contexts.
Signed-off-by: Wei Wang
---
drivers/virtio/virtio_balloon.c | 54 +++
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